Home / 124,982,078.47-187,482,098.10-43,099,778.81

Finding the Fourth Proportional to 124,982,078.47, 187,482,098.10 and 43,099,778.81

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Solution

The fourth proportional to 124,982,078.47, 187,482,098.10 and 43,099,778.81 is: 64,652,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,982,078.47 : 187,482,098.10 = 43,099,778.81 : x
  2. Step 2: Convert to fraction form
    124,982,078.47/187,482,098.10 = 43,099,778.81/x
  3. Step 3: Cross multiply
    124,982,078.47x = 187,482,098.10 × 43,099,778.81
  4. Step 4: Simplify right side
    124,982,078.47x = 8,080,436,958,944,721
  5. Step 5: Solve for x
    x = 8,080,436,958,944,721/124,982,078.47
  6. Step 6: Final answer
    x = 64,652,765.08

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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.