Home / 134,861,885.28-186,109,969.08-72,982,226.88

Finding the Fourth Proportional to 134,861,885.28, 186,109,969.08 and 72,982,226.88

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Solution

The fourth proportional to 134,861,885.28, 186,109,969.08 and 72,982,226.88 is: 100,715,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,861,885.28 : 186,109,969.08 = 72,982,226.88 : x
  2. Step 2: Convert to fraction form
    134,861,885.28/186,109,969.08 = 72,982,226.88/x
  3. Step 3: Cross multiply
    134,861,885.28x = 186,109,969.08 × 72,982,226.88
  4. Step 4: Simplify right side
    134,861,885.28x = 13,582,719,988,026,344
  5. Step 5: Solve for x
    x = 13,582,719,988,026,344/134,861,885.28
  6. Step 6: Final answer
    x = 100,715,780.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.