Home / 48,387,766.80-72,581,650.20-42,719,062.80

Finding the Fourth Proportional to 48,387,766.80, 72,581,650.20 and 42,719,062.80

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Solution

The fourth proportional to 48,387,766.80, 72,581,650.20 and 42,719,062.80 is: 64,078,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,766.80 : 72,581,650.20 = 42,719,062.80 : x
  2. Step 2: Convert to fraction form
    48,387,766.80/72,581,650.20 = 42,719,062.80/x
  3. Step 3: Cross multiply
    48,387,766.80x = 72,581,650.20 × 42,719,062.80
  4. Step 4: Simplify right side
    48,387,766.80x = 3,100,620,073,021,432.50
  5. Step 5: Solve for x
    x = 3,100,620,073,021,432.50/48,387,766.80
  6. Step 6: Final answer
    x = 64,078,594.20

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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.