Home / 127,518,545.28-175,944,368.22-71,753,092.50

Finding the Fourth Proportional to 127,518,545.28, 175,944,368.22 and 71,753,092.50

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Solution

The fourth proportional to 127,518,545.28, 175,944,368.22 and 71,753,092.50 is: 99,001,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,518,545.28 : 175,944,368.22 = 71,753,092.50 : x
  2. Step 2: Convert to fraction form
    127,518,545.28/175,944,368.22 = 71,753,092.50/x
  3. Step 3: Cross multiply
    127,518,545.28x = 175,944,368.22 × 71,753,092.50
  4. Step 4: Simplify right side
    127,518,545.28x = 12,624,552,527,743,720
  5. Step 5: Solve for x
    x = 12,624,552,527,743,720/127,518,545.28
  6. Step 6: Final answer
    x = 99,001,698.15

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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.