Home / 342,893,630.80-514,340,446.20-87,591,998.80

Finding the Fourth Proportional to 342,893,630.80, 514,340,446.20 and 87,591,998.80

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Solution

The fourth proportional to 342,893,630.80, 514,340,446.20 and 87,591,998.80 is: 131,387,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,893,630.80 : 514,340,446.20 = 87,591,998.80 : x
  2. Step 2: Convert to fraction form
    342,893,630.80/514,340,446.20 = 87,591,998.80/x
  3. Step 3: Cross multiply
    342,893,630.80x = 514,340,446.20 × 87,591,998.80
  4. Step 4: Simplify right side
    342,893,630.80x = 45,052,107,746,341,864
  5. Step 5: Solve for x
    x = 45,052,107,746,341,864/342,893,630.80
  6. Step 6: Final answer
    x = 131,387,998.20

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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.