Home / 73,722,647.80-110,442,966.90-39,632,663.80

Finding the Fourth Proportional to 73,722,647.80, 110,442,966.90 and 39,632,663.80

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Solution

The fourth proportional to 73,722,647.80, 110,442,966.90 and 39,632,663.80 is: 59,373,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,722,647.80 : 110,442,966.90 = 39,632,663.80 : x
  2. Step 2: Convert to fraction form
    73,722,647.80/110,442,966.90 = 39,632,663.80/x
  3. Step 3: Cross multiply
    73,722,647.80x = 110,442,966.90 × 39,632,663.80
  4. Step 4: Simplify right side
    73,722,647.80x = 4,377,148,976,222,228
  5. Step 5: Solve for x
    x = 4,377,148,976,222,228/73,722,647.80
  6. Step 6: Final answer
    x = 59,373,192.73

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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.