Home / 80,536,040.91-120,578,931.59-43,515,292.23

Finding the Fourth Proportional to 80,536,040.91, 120,578,931.59 and 43,515,292.23

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Solution

The fourth proportional to 80,536,040.91, 120,578,931.59 and 43,515,292.23 is: 65,151,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536,040.91 : 120,578,931.59 = 43,515,292.23 : x
  2. Step 2: Convert to fraction form
    80,536,040.91/120,578,931.59 = 43,515,292.23/x
  3. Step 3: Cross multiply
    80,536,040.91x = 120,578,931.59 × 43,515,292.23
  4. Step 4: Simplify right side
    80,536,040.91x = 5,247,027,444,702,451
  5. Step 5: Solve for x
    x = 5,247,027,444,702,451/80,536,040.91
  6. Step 6: Final answer
    x = 65,151,296.06

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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.