Home / 72,584,538.20-108,876,807.30-36,304,832.60

Finding the Fourth Proportional to 72,584,538.20, 108,876,807.30 and 36,304,832.60

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Solution

The fourth proportional to 72,584,538.20, 108,876,807.30 and 36,304,832.60 is: 54,457,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584,538.20 : 108,876,807.30 = 36,304,832.60 : x
  2. Step 2: Convert to fraction form
    72,584,538.20/108,876,807.30 = 36,304,832.60/x
  3. Step 3: Cross multiply
    72,584,538.20x = 108,876,807.30 × 36,304,832.60
  4. Step 4: Simplify right side
    72,584,538.20x = 3,952,754,263,048,958
  5. Step 5: Solve for x
    x = 3,952,754,263,048,958/72,584,538.20
  6. Step 6: Final answer
    x = 54,457,248.90

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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.