Home / 72,592,954.20-108,889,431.30-36,313,248.60

Finding the Fourth Proportional to 72,592,954.20, 108,889,431.30 and 36,313,248.60

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Solution

The fourth proportional to 72,592,954.20, 108,889,431.30 and 36,313,248.60 is: 54,469,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,592,954.20 : 108,889,431.30 = 36,313,248.60 : x
  2. Step 2: Convert to fraction form
    72,592,954.20/108,889,431.30 = 36,313,248.60/x
  3. Step 3: Cross multiply
    72,592,954.20x = 108,889,431.30 × 36,313,248.60
  4. Step 4: Simplify right side
    72,592,954.20x = 3,954,128,988,709,521
  5. Step 5: Solve for x
    x = 3,954,128,988,709,521/72,592,954.20
  6. Step 6: Final answer
    x = 54,469,872.90

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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.