Home / 91,422,489.60-126,156,824.37-50,172,039.18

Finding the Fourth Proportional to 91,422,489.60, 126,156,824.37 and 50,172,039.18

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Solution

The fourth proportional to 91,422,489.60, 126,156,824.37 and 50,172,039.18 is: 69,234,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,422,489.60 : 126,156,824.37 = 50,172,039.18 : x
  2. Step 2: Convert to fraction form
    91,422,489.60/126,156,824.37 = 50,172,039.18/x
  3. Step 3: Cross multiply
    91,422,489.60x = 126,156,824.37 × 50,172,039.18
  4. Step 4: Simplify right side
    91,422,489.60x = 6,329,545,135,116,019
  5. Step 5: Solve for x
    x = 6,329,545,135,116,019/91,422,489.60
  6. Step 6: Final answer
    x = 69,234,005.36

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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.