Home / 80,055,809.39-120,060,157.16-36,311,260.43

Finding the Fourth Proportional to 80,055,809.39, 120,060,157.16 and 36,311,260.43

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Solution

The fourth proportional to 80,055,809.39, 120,060,157.16 and 36,311,260.43 is: 54,456,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,055,809.39 : 120,060,157.16 = 36,311,260.43 : x
  2. Step 2: Convert to fraction form
    80,055,809.39/120,060,157.16 = 36,311,260.43/x
  3. Step 3: Cross multiply
    80,055,809.39x = 120,060,157.16 × 36,311,260.43
  4. Step 4: Simplify right side
    80,055,809.39x = 4,359,535,634,294,417
  5. Step 5: Solve for x
    x = 4,359,535,634,294,417/80,055,809.39
  6. Step 6: Final answer
    x = 54,456,205.83

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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.