Home / 177,965,711.10-266,948,566.65-139,745,115.90

Finding the Fourth Proportional to 177,965,711.10, 266,948,566.65 and 139,745,115.90

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Solution

The fourth proportional to 177,965,711.10, 266,948,566.65 and 139,745,115.90 is: 209,617,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,965,711.10 : 266,948,566.65 = 139,745,115.90 : x
  2. Step 2: Convert to fraction form
    177,965,711.10/266,948,566.65 = 139,745,115.90/x
  3. Step 3: Cross multiply
    177,965,711.10x = 266,948,566.65 × 139,745,115.90
  4. Step 4: Simplify right side
    177,965,711.10x = 37,304,758,385,843,128
  5. Step 5: Solve for x
    x = 37,304,758,385,843,128/177,965,711.10
  6. Step 6: Final answer
    x = 209,617,673.85

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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.