Home / 187,515,007.90-281,272,511.85-96,815,743.90

Finding the Fourth Proportional to 187,515,007.90, 281,272,511.85 and 96,815,743.90

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Solution

The fourth proportional to 187,515,007.90, 281,272,511.85 and 96,815,743.90 is: 145,223,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,515,007.90 : 281,272,511.85 = 96,815,743.90 : x
  2. Step 2: Convert to fraction form
    187,515,007.90/281,272,511.85 = 96,815,743.90/x
  3. Step 3: Cross multiply
    187,515,007.90x = 281,272,511.85 × 96,815,743.90
  4. Step 4: Simplify right side
    187,515,007.90x = 27,231,607,473,379,320
  5. Step 5: Solve for x
    x = 27,231,607,473,379,320/187,515,007.90
  6. Step 6: Final answer
    x = 145,223,615.85

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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.