Home / 125,126,998.20-187,690,497.30-86,863,246.20

Finding the Fourth Proportional to 125,126,998.20, 187,690,497.30 and 86,863,246.20

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Solution

The fourth proportional to 125,126,998.20, 187,690,497.30 and 86,863,246.20 is: 130,294,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,126,998.20 : 187,690,497.30 = 86,863,246.20 : x
  2. Step 2: Convert to fraction form
    125,126,998.20/187,690,497.30 = 86,863,246.20/x
  3. Step 3: Cross multiply
    125,126,998.20x = 187,690,497.30 × 86,863,246.20
  4. Step 4: Simplify right side
    125,126,998.20x = 16,303,405,876,370,336
  5. Step 5: Solve for x
    x = 16,303,405,876,370,336/125,126,998.20
  6. Step 6: Final answer
    x = 130,294,869.30

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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.