Home / 131,225,603.20-196,838,404.80-54,523,139.20

Finding the Fourth Proportional to 131,225,603.20, 196,838,404.80 and 54,523,139.20

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Solution

The fourth proportional to 131,225,603.20, 196,838,404.80 and 54,523,139.20 is: 81,784,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225,603.20 : 196,838,404.80 = 54,523,139.20 : x
  2. Step 2: Convert to fraction form
    131,225,603.20/196,838,404.80 = 54,523,139.20/x
  3. Step 3: Cross multiply
    131,225,603.20x = 196,838,404.80 × 54,523,139.20
  4. Step 4: Simplify right side
    131,225,603.20x = 10,732,247,744,816,350
  5. Step 5: Solve for x
    x = 10,732,247,744,816,350/131,225,603.20
  6. Step 6: Final answer
    x = 81,784,708.80

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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.