Home / 55,207,411.30-82,815,053.55-16,868,863.90

Finding the Fourth Proportional to 55,207,411.30, 82,815,053.55 and 16,868,863.90

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Solution

The fourth proportional to 55,207,411.30, 82,815,053.55 and 16,868,863.90 is: 25,304,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207,411.30 : 82,815,053.55 = 16,868,863.90 : x
  2. Step 2: Convert to fraction form
    55,207,411.30/82,815,053.55 = 16,868,863.90/x
  3. Step 3: Cross multiply
    55,207,411.30x = 82,815,053.55 × 16,868,863.90
  4. Step 4: Simplify right side
    55,207,411.30x = 1,396,995,867,206,161.75
  5. Step 5: Solve for x
    x = 1,396,995,867,206,161.75/55,207,411.30
  6. Step 6: Final answer
    x = 25,304,498.70

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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.