Home / 206,499,590.29-284,960,706.19-112,411,778.68

Finding the Fourth Proportional to 206,499,590.29, 284,960,706.19 and 112,411,778.68

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Solution

The fourth proportional to 206,499,590.29, 284,960,706.19 and 112,411,778.68 is: 155,123,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,499,590.29 : 284,960,706.19 = 112,411,778.68 : x
  2. Step 2: Convert to fraction form
    206,499,590.29/284,960,706.19 = 112,411,778.68/x
  3. Step 3: Cross multiply
    206,499,590.29x = 284,960,706.19 × 112,411,778.68
  4. Step 4: Simplify right side
    206,499,590.29x = 32,032,939,836,726,788
  5. Step 5: Solve for x
    x = 32,032,939,836,726,788/206,499,590.29
  6. Step 6: Final answer
    x = 155,123,503.11

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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.