Home / 99,002,691.60-148,444,988.40-60,691,700.40

Finding the Fourth Proportional to 99,002,691.60, 148,444,988.40 and 60,691,700.40

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Solution

The fourth proportional to 99,002,691.60, 148,444,988.40 and 60,691,700.40 is: 91,001,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,002,691.60 : 148,444,988.40 = 60,691,700.40 : x
  2. Step 2: Convert to fraction form
    99,002,691.60/148,444,988.40 = 60,691,700.40/x
  3. Step 3: Cross multiply
    99,002,691.60x = 148,444,988.40 × 60,691,700.40
  4. Step 4: Simplify right side
    99,002,691.60x = 9,009,378,761,854,276
  5. Step 5: Solve for x
    x = 9,009,378,761,854,276/99,002,691.60
  6. Step 6: Final answer
    x = 91,001,351.74

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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.