Home / 123,499,366.80-185,305,621.18-53,491,008.12

Finding the Fourth Proportional to 123,499,366.80, 185,305,621.18 and 53,491,008.12

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Solution

The fourth proportional to 123,499,366.80, 185,305,621.18 and 53,491,008.12 is: 80,261,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,499,366.80 : 185,305,621.18 = 53,491,008.12 : x
  2. Step 2: Convert to fraction form
    123,499,366.80/185,305,621.18 = 53,491,008.12/x
  3. Step 3: Cross multiply
    123,499,366.80x = 185,305,621.18 × 53,491,008.12
  4. Step 4: Simplify right side
    123,499,366.80x = 9,912,184,487,221,024
  5. Step 5: Solve for x
    x = 9,912,184,487,221,024/123,499,366.80
  6. Step 6: Final answer
    x = 80,261,014.64

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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.