Home / 254,976,999.70-382,465,499.55-82,471,251.10

Finding the Fourth Proportional to 254,976,999.70, 382,465,499.55 and 82,471,251.10

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Solution

The fourth proportional to 254,976,999.70, 382,465,499.55 and 82,471,251.10 is: 123,706,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,976,999.70 : 382,465,499.55 = 82,471,251.10 : x
  2. Step 2: Convert to fraction form
    254,976,999.70/382,465,499.55 = 82,471,251.10/x
  3. Step 3: Cross multiply
    254,976,999.70x = 382,465,499.55 × 82,471,251.10
  4. Step 4: Simplify right side
    254,976,999.70x = 31,542,408,250,474,984
  5. Step 5: Solve for x
    x = 31,542,408,250,474,984/254,976,999.70
  6. Step 6: Final answer
    x = 123,706,876.65

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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.