Home / 229,579,092.38-316,816,121.90-129,107,499.77

Finding the Fourth Proportional to 229,579,092.38, 316,816,121.90 and 129,107,499.77

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Solution

The fourth proportional to 229,579,092.38, 316,816,121.90 and 129,107,499.77 is: 178,166,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,579,092.38 : 316,816,121.90 = 129,107,499.77 : x
  2. Step 2: Convert to fraction form
    229,579,092.38/316,816,121.90 = 129,107,499.77/x
  3. Step 3: Cross multiply
    229,579,092.38x = 316,816,121.90 × 129,107,499.77
  4. Step 4: Simplify right side
    229,579,092.38x = 40,903,337,385,336,536
  5. Step 5: Solve for x
    x = 40,903,337,385,336,536/229,579,092.38
  6. Step 6: Final answer
    x = 178,166,648.20

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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.