Home / 91,906,687.84-126,829,583.76-50,091,129.76

Finding the Fourth Proportional to 91,906,687.84, 126,829,583.76 and 50,091,129.76

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Solution

The fourth proportional to 91,906,687.84, 126,829,583.76 and 50,091,129.76 is: 69,124,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,906,687.84 : 126,829,583.76 = 50,091,129.76 : x
  2. Step 2: Convert to fraction form
    91,906,687.84/126,829,583.76 = 50,091,129.76/x
  3. Step 3: Cross multiply
    91,906,687.84x = 126,829,583.76 × 50,091,129.76
  4. Step 4: Simplify right side
    91,906,687.84x = 6,353,037,137,528,949
  5. Step 5: Solve for x
    x = 6,353,037,137,528,949/91,906,687.84
  6. Step 6: Final answer
    x = 69,124,862.26

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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.