Home / 91,559,591.24-126,320,986.38-56,739,576.92

Finding the Fourth Proportional to 91,559,591.24, 126,320,986.38 and 56,739,576.92

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Solution

The fourth proportional to 91,559,591.24, 126,320,986.38 and 56,739,576.92 is: 78,281,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,559,591.24 : 126,320,986.38 = 56,739,576.92 : x
  2. Step 2: Convert to fraction form
    91,559,591.24/126,320,986.38 = 56,739,576.92/x
  3. Step 3: Cross multiply
    91,559,591.24x = 126,320,986.38 × 56,739,576.92
  4. Step 4: Simplify right side
    91,559,591.24x = 7,167,399,322,899,451
  5. Step 5: Solve for x
    x = 7,167,399,322,899,451/91,559,591.24
  6. Step 6: Final answer
    x = 78,281,250.78

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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.