Home / 257,923,817.62-386,527,791.13-117,521,149.66

Finding the Fourth Proportional to 257,923,817.62, 386,527,791.13 and 117,521,149.66

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Solution

The fourth proportional to 257,923,817.62, 386,527,791.13 and 117,521,149.66 is: 176,118,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,923,817.62 : 386,527,791.13 = 117,521,149.66 : x
  2. Step 2: Convert to fraction form
    257,923,817.62/386,527,791.13 = 117,521,149.66/x
  3. Step 3: Cross multiply
    257,923,817.62x = 386,527,791.13 × 117,521,149.66
  4. Step 4: Simplify right side
    257,923,817.62x = 45,425,190,389,137,952
  5. Step 5: Solve for x
    x = 45,425,190,389,137,952/257,923,817.62
  6. Step 6: Final answer
    x = 176,118,633.82

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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.