Home / 154,129,697.76-231,032,707.92-51,858,229.44

Finding the Fourth Proportional to 154,129,697.76, 231,032,707.92 and 51,858,229.44

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Solution

The fourth proportional to 154,129,697.76, 231,032,707.92 and 51,858,229.44 is: 77,732,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,129,697.76 : 231,032,707.92 = 51,858,229.44 : x
  2. Step 2: Convert to fraction form
    154,129,697.76/231,032,707.92 = 51,858,229.44/x
  3. Step 3: Cross multiply
    154,129,697.76x = 231,032,707.92 × 51,858,229.44
  4. Step 4: Simplify right side
    154,129,697.76x = 11,980,947,175,459,864
  5. Step 5: Solve for x
    x = 11,980,947,175,459,864/154,129,697.76
  6. Step 6: Final answer
    x = 77,732,892.17

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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.