Home / 71,928,045.90-107,892,068.85-43,206,612.30

Finding the Fourth Proportional to 71,928,045.90, 107,892,068.85 and 43,206,612.30

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Solution

The fourth proportional to 71,928,045.90, 107,892,068.85 and 43,206,612.30 is: 64,809,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,928,045.90 : 107,892,068.85 = 43,206,612.30 : x
  2. Step 2: Convert to fraction form
    71,928,045.90/107,892,068.85 = 43,206,612.30/x
  3. Step 3: Cross multiply
    71,928,045.90x = 107,892,068.85 × 43,206,612.30
  4. Step 4: Simplify right side
    71,928,045.90x = 4,661,650,789,046,856
  5. Step 5: Solve for x
    x = 4,661,650,789,046,856/71,928,045.90
  6. Step 6: Final answer
    x = 64,809,918.45

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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.