Home / 91,310,555.88-126,005,190.03-49,493,723.36

Finding the Fourth Proportional to 91,310,555.88, 126,005,190.03 and 49,493,723.36

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Solution

The fourth proportional to 91,310,555.88, 126,005,190.03 and 49,493,723.36 is: 68,299,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,310,555.88 : 126,005,190.03 = 49,493,723.36 : x
  2. Step 2: Convert to fraction form
    91,310,555.88/126,005,190.03 = 49,493,723.36/x
  3. Step 3: Cross multiply
    91,310,555.88x = 126,005,190.03 × 49,493,723.36
  4. Step 4: Simplify right side
    91,310,555.88x = 6,236,466,016,639,024
  5. Step 5: Solve for x
    x = 6,236,466,016,639,024/91,310,555.88
  6. Step 6: Final answer
    x = 68,299,507.72

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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.