Home / 99,403,337.20-149,105,005.80-27,599,753.20

Finding the Fourth Proportional to 99,403,337.20, 149,105,005.80 and 27,599,753.20

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Solution

The fourth proportional to 99,403,337.20, 149,105,005.80 and 27,599,753.20 is: 41,399,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403,337.20 : 149,105,005.80 = 27,599,753.20 : x
  2. Step 2: Convert to fraction form
    99,403,337.20/149,105,005.80 = 27,599,753.20/x
  3. Step 3: Cross multiply
    99,403,337.20x = 149,105,005.80 × 27,599,753.20
  4. Step 4: Simplify right side
    99,403,337.20x = 4,115,261,360,964,569
  5. Step 5: Solve for x
    x = 4,115,261,360,964,569/99,403,337.20
  6. Step 6: Final answer
    x = 41,399,629.80

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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.