Home / 83,207,860.60-124,811,790.90-55,998,081.40

Finding the Fourth Proportional to 83,207,860.60, 124,811,790.90 and 55,998,081.40

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Solution

The fourth proportional to 83,207,860.60, 124,811,790.90 and 55,998,081.40 is: 83,997,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,207,860.60 : 124,811,790.90 = 55,998,081.40 : x
  2. Step 2: Convert to fraction form
    83,207,860.60/124,811,790.90 = 55,998,081.40/x
  3. Step 3: Cross multiply
    83,207,860.60x = 124,811,790.90 × 55,998,081.40
  4. Step 4: Simplify right side
    83,207,860.60x = 6,989,220,826,497,979
  5. Step 5: Solve for x
    x = 6,989,220,826,497,979/83,207,860.60
  6. Step 6: Final answer
    x = 83,997,122.10

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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.