Home / 80,571,249.20-120,892,595.88-42,223,646.00

Finding the Fourth Proportional to 80,571,249.20, 120,892,595.88 and 42,223,646.00

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Solution

The fourth proportional to 80,571,249.20, 120,892,595.88 and 42,223,646.00 is: 63,354,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,571,249.20 : 120,892,595.88 = 42,223,646.00 : x
  2. Step 2: Convert to fraction form
    80,571,249.20/120,892,595.88 = 42,223,646.00/x
  3. Step 3: Cross multiply
    80,571,249.20x = 120,892,595.88 × 42,223,646.00
  4. Step 4: Simplify right side
    80,571,249.20x = 5,104,526,171,853,715
  5. Step 5: Solve for x
    x = 5,104,526,171,853,715/80,571,249.20
  6. Step 6: Final answer
    x = 63,354,189.28

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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.