Home / 80,983,445.52-121,487,765.40-26,383,320.18

Finding the Fourth Proportional to 80,983,445.52, 121,487,765.40 and 26,383,320.18

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Solution

The fourth proportional to 80,983,445.52, 121,487,765.40 and 26,383,320.18 is: 39,579,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,983,445.52 : 121,487,765.40 = 26,383,320.18 : x
  2. Step 2: Convert to fraction form
    80,983,445.52/121,487,765.40 = 26,383,320.18/x
  3. Step 3: Cross multiply
    80,983,445.52x = 121,487,765.40 × 26,383,320.18
  4. Step 4: Simplify right side
    80,983,445.52x = 3,205,250,612,500,926
  5. Step 5: Solve for x
    x = 3,205,250,612,500,926/80,983,445.52
  6. Step 6: Final answer
    x = 39,579,084.24

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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.