Home / 91,422,493.97-126,156,830.39-50,172,043.55

Finding the Fourth Proportional to 91,422,493.97, 126,156,830.39 and 50,172,043.55

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Solution

The fourth proportional to 91,422,493.97, 126,156,830.39 and 50,172,043.55 is: 69,234,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,422,493.97 : 126,156,830.39 = 50,172,043.55 : x
  2. Step 2: Convert to fraction form
    91,422,493.97/126,156,830.39 = 50,172,043.55/x
  3. Step 3: Cross multiply
    91,422,493.97x = 126,156,830.39 × 50,172,043.55
  4. Step 4: Simplify right side
    91,422,493.97x = 6,329,545,988,457,043
  5. Step 5: Solve for x
    x = 6,329,545,988,457,043/91,422,493.97
  6. Step 6: Final answer
    x = 69,234,011.39

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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.