Home / 91,612,398.72-126,426,681.60-50,361,029.76

Finding the Fourth Proportional to 91,612,398.72, 126,426,681.60 and 50,361,029.76

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Solution

The fourth proportional to 91,612,398.72, 126,426,681.60 and 50,361,029.76 is: 69,499,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,612,398.72 : 126,426,681.60 = 50,361,029.76 : x
  2. Step 2: Convert to fraction form
    91,612,398.72/126,426,681.60 = 50,361,029.76/x
  3. Step 3: Cross multiply
    91,612,398.72x = 126,426,681.60 × 50,361,029.76
  4. Step 4: Simplify right side
    91,612,398.72x = 6,366,977,874,515,644
  5. Step 5: Solve for x
    x = 6,366,977,874,515,644/91,612,398.72
  6. Step 6: Final answer
    x = 69,499,084.88

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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.