Home / 85,293,130.20-127,939,695.30-56,571,696.60

Finding the Fourth Proportional to 85,293,130.20, 127,939,695.30 and 56,571,696.60

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Solution

The fourth proportional to 85,293,130.20, 127,939,695.30 and 56,571,696.60 is: 84,857,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,293,130.20 : 127,939,695.30 = 56,571,696.60 : x
  2. Step 2: Convert to fraction form
    85,293,130.20/127,939,695.30 = 56,571,696.60/x
  3. Step 3: Cross multiply
    85,293,130.20x = 127,939,695.30 × 56,571,696.60
  4. Step 4: Simplify right side
    85,293,130.20x = 7,237,765,625,608,046
  5. Step 5: Solve for x
    x = 7,237,765,625,608,046/85,293,130.20
  6. Step 6: Final answer
    x = 84,857,544.90

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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.