Home / 91,677,205.75-126,516,937.40-50,425,180.69

Finding the Fourth Proportional to 91,677,205.75, 126,516,937.40 and 50,425,180.69

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Solution

The fourth proportional to 91,677,205.75, 126,516,937.40 and 50,425,180.69 is: 69,588,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,677,205.75 : 126,516,937.40 = 50,425,180.69 : x
  2. Step 2: Convert to fraction form
    91,677,205.75/126,516,937.40 = 50,425,180.69/x
  3. Step 3: Cross multiply
    91,677,205.75x = 126,516,937.40 × 50,425,180.69
  4. Step 4: Simplify right side
    91,677,205.75x = 6,379,639,428,740,419
  5. Step 5: Solve for x
    x = 6,379,639,428,740,419/91,677,205.75
  6. Step 6: Final answer
    x = 69,588,065.83

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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.