Home / 83,009,853.10-124,550,209.05-39,856,843.90

Finding the Fourth Proportional to 83,009,853.10, 124,550,209.05 and 39,856,843.90

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Solution

The fourth proportional to 83,009,853.10, 124,550,209.05 and 39,856,843.90 is: 59,802,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,009,853.10 : 124,550,209.05 = 39,856,843.90 : x
  2. Step 2: Convert to fraction form
    83,009,853.10/124,550,209.05 = 39,856,843.90/x
  3. Step 3: Cross multiply
    83,009,853.10x = 124,550,209.05 × 39,856,843.90
  4. Step 4: Simplify right side
    83,009,853.10x = 4,964,178,239,818,217
  5. Step 5: Solve for x
    x = 4,964,178,239,818,217/83,009,853.10
  6. Step 6: Final answer
    x = 59,802,277.13

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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.