Home / 91,739,136.91-126,600,029.80-50,486,029.28

Finding the Fourth Proportional to 91,739,136.91, 126,600,029.80 and 50,486,029.28

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Solution

The fourth proportional to 91,739,136.91, 126,600,029.80 and 50,486,029.28 is: 69,670,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739,136.91 : 126,600,029.80 = 50,486,029.28 : x
  2. Step 2: Convert to fraction form
    91,739,136.91/126,600,029.80 = 50,486,029.28/x
  3. Step 3: Cross multiply
    91,739,136.91x = 126,600,029.80 × 50,486,029.28
  4. Step 4: Simplify right side
    91,739,136.91x = 6,391,532,811,521,957
  5. Step 5: Solve for x
    x = 6,391,532,811,521,957/91,739,136.91
  6. Step 6: Final answer
    x = 69,670,731.89

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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.