Home / 90,416,829.68-135,612,468.96-28,998,006.32

Finding the Fourth Proportional to 90,416,829.68, 135,612,468.96 and 28,998,006.32

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Solution

The fourth proportional to 90,416,829.68, 135,612,468.96 and 28,998,006.32 is: 43,492,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,416,829.68 : 135,612,468.96 = 28,998,006.32 : x
  2. Step 2: Convert to fraction form
    90,416,829.68/135,612,468.96 = 28,998,006.32/x
  3. Step 3: Cross multiply
    90,416,829.68x = 135,612,468.96 × 28,998,006.32
  4. Step 4: Simplify right side
    90,416,829.68x = 3,932,491,231,972,884
  5. Step 5: Solve for x
    x = 3,932,491,231,972,884/90,416,829.68
  6. Step 6: Final answer
    x = 43,492,912.17

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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.