Home / 80,853,028.20-121,279,542.30-44,447,351.40

Finding the Fourth Proportional to 80,853,028.20, 121,279,542.30 and 44,447,351.40

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Solution

The fourth proportional to 80,853,028.20, 121,279,542.30 and 44,447,351.40 is: 66,671,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,028.20 : 121,279,542.30 = 44,447,351.40 : x
  2. Step 2: Convert to fraction form
    80,853,028.20/121,279,542.30 = 44,447,351.40/x
  3. Step 3: Cross multiply
    80,853,028.20x = 121,279,542.30 × 44,447,351.40
  4. Step 4: Simplify right side
    80,853,028.20x = 5,390,554,434,239,264
  5. Step 5: Solve for x
    x = 5,390,554,434,239,264/80,853,028.20
  6. Step 6: Final answer
    x = 66,671,027.10

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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.