Home / 85,065,263.56-127,620,602.33-30,483,366.54

Finding the Fourth Proportional to 85,065,263.56, 127,620,602.33 and 30,483,366.54

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Solution

The fourth proportional to 85,065,263.56, 127,620,602.33 and 30,483,366.54 is: 45,733,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,065,263.56 : 127,620,602.33 = 30,483,366.54 : x
  2. Step 2: Convert to fraction form
    85,065,263.56/127,620,602.33 = 30,483,366.54/x
  3. Step 3: Cross multiply
    85,065,263.56x = 127,620,602.33 × 30,483,366.54
  4. Step 4: Simplify right side
    85,065,263.56x = 3,890,305,599,134,104.50
  5. Step 5: Solve for x
    x = 3,890,305,599,134,104.50/85,065,263.56
  6. Step 6: Final answer
    x = 45,733,186.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.