Home / 178,668,654.52-267,888,279.08-69,377,369.98

Finding the Fourth Proportional to 178,668,654.52, 267,888,279.08 and 69,377,369.98

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Solution

The fourth proportional to 178,668,654.52, 267,888,279.08 and 69,377,369.98 is: 104,021,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,668,654.52 : 267,888,279.08 = 69,377,369.98 : x
  2. Step 2: Convert to fraction form
    178,668,654.52/267,888,279.08 = 69,377,369.98/x
  3. Step 3: Cross multiply
    178,668,654.52x = 267,888,279.08 × 69,377,369.98
  4. Step 4: Simplify right side
    178,668,654.52x = 18,585,384,250,691,768
  5. Step 5: Solve for x
    x = 18,585,384,250,691,768/178,668,654.52
  6. Step 6: Final answer
    x = 104,021,515.70

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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.