Home / 187,508,848.42-258,737,671.82-108,126,841.85

Finding the Fourth Proportional to 187,508,848.42, 258,737,671.82 and 108,126,841.85

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Solution

The fourth proportional to 187,508,848.42, 258,737,671.82 and 108,126,841.85 is: 149,200,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,508,848.42 : 258,737,671.82 = 108,126,841.85 : x
  2. Step 2: Convert to fraction form
    187,508,848.42/258,737,671.82 = 108,126,841.85/x
  3. Step 3: Cross multiply
    187,508,848.42x = 258,737,671.82 × 108,126,841.85
  4. Step 4: Simplify right side
    187,508,848.42x = 27,976,487,319,684,020
  5. Step 5: Solve for x
    x = 27,976,487,319,684,020/187,508,848.42
  6. Step 6: Final answer
    x = 149,200,891.35

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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.