Home / 88,717,376.70-132,876,999.45-72,792,128.70

Finding the Fourth Proportional to 88,717,376.70, 132,876,999.45 and 72,792,128.70

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Solution

The fourth proportional to 88,717,376.70, 132,876,999.45 and 72,792,128.70 is: 109,024,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717,376.70 : 132,876,999.45 = 72,792,128.70 : x
  2. Step 2: Convert to fraction form
    88,717,376.70/132,876,999.45 = 72,792,128.70/x
  3. Step 3: Cross multiply
    88,717,376.70x = 132,876,999.45 × 72,792,128.70
  4. Step 4: Simplify right side
    88,717,376.70x = 9,672,399,645,234,230
  5. Step 5: Solve for x
    x = 9,672,399,645,234,230/88,717,376.70
  6. Step 6: Final answer
    x = 109,024,860.80

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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.