Home / 80,853,036.70-121,279,555.05-44,447,359.90

Finding the Fourth Proportional to 80,853,036.70, 121,279,555.05 and 44,447,359.90

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Solution

The fourth proportional to 80,853,036.70, 121,279,555.05 and 44,447,359.90 is: 66,671,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,036.70 : 121,279,555.05 = 44,447,359.90 : x
  2. Step 2: Convert to fraction form
    80,853,036.70/121,279,555.05 = 44,447,359.90/x
  3. Step 3: Cross multiply
    80,853,036.70x = 121,279,555.05 × 44,447,359.90
  4. Step 4: Simplify right side
    80,853,036.70x = 5,390,556,031,819,212
  5. Step 5: Solve for x
    x = 5,390,556,031,819,212/80,853,036.70
  6. Step 6: Final answer
    x = 66,671,039.85

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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.