Home / 85,118,112,774.09-117,443,508,226.38-50,817,143,591.55

Finding the Fourth Proportional to 85,118,112,774.09, 117,443,508,226.38 and 50,817,143,591.55

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Solution

The fourth proportional to 85,118,112,774.09, 117,443,508,226.38 and 50,817,143,591.55 is: 70,116,023,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,118,112,774.09 : 117,443,508,226.38 = 50,817,143,591.55 : x
  2. Step 2: Convert to fraction form
    85,118,112,774.09/117,443,508,226.38 = 50,817,143,591.55/x
  3. Step 3: Cross multiply
    85,118,112,774.09x = 117,443,508,226.38 × 50,817,143,591.55
  4. Step 4: Simplify right side
    85,118,112,774.09x = 5,968,143,621,435,336,687,616
  5. Step 5: Solve for x
    x = 5,968,143,621,435,336,687,616/85,118,112,774.09
  6. Step 6: Final answer
    x = 70,116,023,804.18

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Double scale
Find fourth proportional to 85,118,112,775.09, 117,443,508,227.76 and 50,817,143,592.55
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.