Home / 215,339,027.20-323,008,540.80-124,639,763.20

Finding the Fourth Proportional to 215,339,027.20, 323,008,540.80 and 124,639,763.20

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Solution

The fourth proportional to 215,339,027.20, 323,008,540.80 and 124,639,763.20 is: 186,959,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,339,027.20 : 323,008,540.80 = 124,639,763.20 : x
  2. Step 2: Convert to fraction form
    215,339,027.20/323,008,540.80 = 124,639,763.20/x
  3. Step 3: Cross multiply
    215,339,027.20x = 323,008,540.80 × 124,639,763.20
  4. Step 4: Simplify right side
    215,339,027.20x = 40,259,708,036,889,544
  5. Step 5: Solve for x
    x = 40,259,708,036,889,544/215,339,027.20
  6. Step 6: Final answer
    x = 186,959,644.80

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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.