Home / 217,366,962.90-325,963,839.15-71,760,002.10

Finding the Fourth Proportional to 217,366,962.90, 325,963,839.15 and 71,760,002.10

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Solution

The fourth proportional to 217,366,962.90, 325,963,839.15 and 71,760,002.10 is: 107,611,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,366,962.90 : 325,963,839.15 = 71,760,002.10 : x
  2. Step 2: Convert to fraction form
    217,366,962.90/325,963,839.15 = 71,760,002.10/x
  3. Step 3: Cross multiply
    217,366,962.90x = 325,963,839.15 × 71,760,002.10
  4. Step 4: Simplify right side
    217,366,962.90x = 23,391,165,781,928,060
  5. Step 5: Solve for x
    x = 23,391,165,781,928,060/217,366,962.90
  6. Step 6: Final answer
    x = 107,611,411.92

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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.