Home / 91,174,327.33-125,809,044.29-72,636,484.45

Finding the Fourth Proportional to 91,174,327.33, 125,809,044.29 and 72,636,484.45

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Solution

The fourth proportional to 91,174,327.33, 125,809,044.29 and 72,636,484.45 is: 100,229,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,174,327.33 : 125,809,044.29 = 72,636,484.45 : x
  2. Step 2: Convert to fraction form
    91,174,327.33/125,809,044.29 = 72,636,484.45/x
  3. Step 3: Cross multiply
    91,174,327.33x = 125,809,044.29 × 72,636,484.45
  4. Step 4: Simplify right side
    91,174,327.33x = 9,138,326,688,876,764
  5. Step 5: Solve for x
    x = 9,138,326,688,876,764/91,174,327.33
  6. Step 6: Final answer
    x = 100,229,164.90

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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.