Home / 91,739,136.85-126,600,029.72-50,486,029.23

Finding the Fourth Proportional to 91,739,136.85, 126,600,029.72 and 50,486,029.23

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Solution

The fourth proportional to 91,739,136.85, 126,600,029.72 and 50,486,029.23 is: 69,670,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739,136.85 : 126,600,029.72 = 50,486,029.23 : x
  2. Step 2: Convert to fraction form
    91,739,136.85/126,600,029.72 = 50,486,029.23/x
  3. Step 3: Cross multiply
    91,739,136.85x = 126,600,029.72 × 50,486,029.23
  4. Step 4: Simplify right side
    91,739,136.85x = 6,391,532,800,329,789
  5. Step 5: Solve for x
    x = 6,391,532,800,329,789/91,739,136.85
  6. Step 6: Final answer
    x = 69,670,731.81

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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.