Home / 82,016,069.60-123,024,104.40-47,919,864.80

Finding the Fourth Proportional to 82,016,069.60, 123,024,104.40 and 47,919,864.80

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Solution

The fourth proportional to 82,016,069.60, 123,024,104.40 and 47,919,864.80 is: 71,879,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,016,069.60 : 123,024,104.40 = 47,919,864.80 : x
  2. Step 2: Convert to fraction form
    82,016,069.60/123,024,104.40 = 47,919,864.80/x
  3. Step 3: Cross multiply
    82,016,069.60x = 123,024,104.40 × 47,919,864.80
  4. Step 4: Simplify right side
    82,016,069.60x = 5,895,298,449,989,085
  5. Step 5: Solve for x
    x = 5,895,298,449,989,085/82,016,069.60
  6. Step 6: Final answer
    x = 71,879,797.20

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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.