Home / 80,349,331.24-120,453,225.54-31,861,266.76

Finding the Fourth Proportional to 80,349,331.24, 120,453,225.54 and 31,861,266.76

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Solution

The fourth proportional to 80,349,331.24, 120,453,225.54 and 31,861,266.76 is: 47,763,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,349,331.24 : 120,453,225.54 = 31,861,266.76 : x
  2. Step 2: Convert to fraction form
    80,349,331.24/120,453,225.54 = 31,861,266.76/x
  3. Step 3: Cross multiply
    80,349,331.24x = 120,453,225.54 × 31,861,266.76
  4. Step 4: Simplify right side
    80,349,331.24x = 3,837,792,351,032,385.50
  5. Step 5: Solve for x
    x = 3,837,792,351,032,385.50/80,349,331.24
  6. Step 6: Final answer
    x = 47,763,836.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.