Home / 86,016,187.20-129,024,280.80-32,156,500.80

Finding the Fourth Proportional to 86,016,187.20, 129,024,280.80 and 32,156,500.80

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Solution

The fourth proportional to 86,016,187.20, 129,024,280.80 and 32,156,500.80 is: 48,234,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016,187.20 : 129,024,280.80 = 32,156,500.80 : x
  2. Step 2: Convert to fraction form
    86,016,187.20/129,024,280.80 = 32,156,500.80/x
  3. Step 3: Cross multiply
    86,016,187.20x = 129,024,280.80 × 32,156,500.80
  4. Step 4: Simplify right side
    86,016,187.20x = 4,148,969,388,764,624.50
  5. Step 5: Solve for x
    x = 4,148,969,388,764,624.50/86,016,187.20
  6. Step 6: Final answer
    x = 48,234,751.20

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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.