Home / 145,451,824.78-200,727,757.17-79,376,579.05

Finding the Fourth Proportional to 145,451,824.78, 200,727,757.17 and 79,376,579.05

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Solution

The fourth proportional to 145,451,824.78, 200,727,757.17 and 79,376,579.05 is: 109,541,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451,824.78 : 200,727,757.17 = 79,376,579.05 : x
  2. Step 2: Convert to fraction form
    145,451,824.78/200,727,757.17 = 79,376,579.05/x
  3. Step 3: Cross multiply
    145,451,824.78x = 200,727,757.17 × 79,376,579.05
  4. Step 4: Simplify right side
    145,451,824.78x = 15,933,082,684,533,708
  5. Step 5: Solve for x
    x = 15,933,082,684,533,708/145,451,824.78
  6. Step 6: Final answer
    x = 109,541,992.40

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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.