Home / 80,970,115.59-111,622,542.21-57,724,886.25

Finding the Fourth Proportional to 80,970,115.59, 111,622,542.21 and 57,724,886.25

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Solution

The fourth proportional to 80,970,115.59, 111,622,542.21 and 57,724,886.25 is: 79,577,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,970,115.59 : 111,622,542.21 = 57,724,886.25 : x
  2. Step 2: Convert to fraction form
    80,970,115.59/111,622,542.21 = 57,724,886.25/x
  3. Step 3: Cross multiply
    80,970,115.59x = 111,622,542.21 × 57,724,886.25
  4. Step 4: Simplify right side
    80,970,115.59x = 6,443,398,552,008,073
  5. Step 5: Solve for x
    x = 6,443,398,552,008,073/80,970,115.59
  6. Step 6: Final answer
    x = 79,577,489.86

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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.