Home / 80,853,040.20-121,279,560.30-44,447,363.40

Finding the Fourth Proportional to 80,853,040.20, 121,279,560.30 and 44,447,363.40

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Solution

The fourth proportional to 80,853,040.20, 121,279,560.30 and 44,447,363.40 is: 66,671,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,040.20 : 121,279,560.30 = 44,447,363.40 : x
  2. Step 2: Convert to fraction form
    80,853,040.20/121,279,560.30 = 44,447,363.40/x
  3. Step 3: Cross multiply
    80,853,040.20x = 121,279,560.30 × 44,447,363.40
  4. Step 4: Simplify right side
    80,853,040.20x = 5,390,556,689,646,313
  5. Step 5: Solve for x
    x = 5,390,556,689,646,313/80,853,040.20
  6. Step 6: Final answer
    x = 66,671,045.10

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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.