Home / 87,911,998.80-131,867,998.20-60,702,219.60

Finding the Fourth Proportional to 87,911,998.80, 131,867,998.20 and 60,702,219.60

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Solution

The fourth proportional to 87,911,998.80, 131,867,998.20 and 60,702,219.60 is: 91,053,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,911,998.80 : 131,867,998.20 = 60,702,219.60 : x
  2. Step 2: Convert to fraction form
    87,911,998.80/131,867,998.20 = 60,702,219.60/x
  3. Step 3: Cross multiply
    87,911,998.80x = 131,867,998.20 × 60,702,219.60
  4. Step 4: Simplify right side
    87,911,998.80x = 8,004,680,184,948,805
  5. Step 5: Solve for x
    x = 8,004,680,184,948,805/87,911,998.80
  6. Step 6: Final answer
    x = 91,053,329.40

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1.5x scale

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.