Home / 220,396,470.31-330,642,535.16-67,038,540.94

Finding the Fourth Proportional to 220,396,470.31, 330,642,535.16 and 67,038,540.94

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Solution

The fourth proportional to 220,396,470.31, 330,642,535.16 and 67,038,540.94 is: 100,572,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,396,470.31 : 330,642,535.16 = 67,038,540.94 : x
  2. Step 2: Convert to fraction form
    220,396,470.31/330,642,535.16 = 67,038,540.94/x
  3. Step 3: Cross multiply
    220,396,470.31x = 330,642,535.16 × 67,038,540.94
  4. Step 4: Simplify right side
    220,396,470.31x = 22,165,793,129,829,052
  5. Step 5: Solve for x
    x = 22,165,793,129,829,052/220,396,470.31
  6. Step 6: Final answer
    x = 100,572,359.89

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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.