Home / 124,497,177.40-186,745,766.10-81,499,007.80

Finding the Fourth Proportional to 124,497,177.40, 186,745,766.10 and 81,499,007.80

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Solution

The fourth proportional to 124,497,177.40, 186,745,766.10 and 81,499,007.80 is: 122,248,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,497,177.40 : 186,745,766.10 = 81,499,007.80 : x
  2. Step 2: Convert to fraction form
    124,497,177.40/186,745,766.10 = 81,499,007.80/x
  3. Step 3: Cross multiply
    124,497,177.40x = 186,745,766.10 × 81,499,007.80
  4. Step 4: Simplify right side
    124,497,177.40x = 15,219,594,648,000,874
  5. Step 5: Solve for x
    x = 15,219,594,648,000,874/124,497,177.40
  6. Step 6: Final answer
    x = 122,248,511.70

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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.