Home / 73,872,553.52-101,942,344.32-40,380,543.92

Finding the Fourth Proportional to 73,872,553.52, 101,942,344.32 and 40,380,543.92

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Solution

The fourth proportional to 73,872,553.52, 101,942,344.32 and 40,380,543.92 is: 55,724,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,553.52 : 101,942,344.32 = 40,380,543.92 : x
  2. Step 2: Convert to fraction form
    73,872,553.52/101,942,344.32 = 40,380,543.92/x
  3. Step 3: Cross multiply
    73,872,553.52x = 101,942,344.32 × 40,380,543.92
  4. Step 4: Simplify right side
    73,872,553.52x = 4,116,487,312,121,522.50
  5. Step 5: Solve for x
    x = 4,116,487,312,121,522.50/73,872,553.52
  6. Step 6: Final answer
    x = 55,724,177.87

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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.