Home / 83,040,026.40-124,560,039.60-79,260,890.40

Finding the Fourth Proportional to 83,040,026.40, 124,560,039.60 and 79,260,890.40

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Solution

The fourth proportional to 83,040,026.40, 124,560,039.60 and 79,260,890.40 is: 118,891,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,040,026.40 : 124,560,039.60 = 79,260,890.40 : x
  2. Step 2: Convert to fraction form
    83,040,026.40/124,560,039.60 = 79,260,890.40/x
  3. Step 3: Cross multiply
    83,040,026.40x = 124,560,039.60 × 79,260,890.40
  4. Step 4: Simplify right side
    83,040,026.40x = 9,872,739,646,955,260
  5. Step 5: Solve for x
    x = 9,872,739,646,955,260/83,040,026.40
  6. Step 6: Final answer
    x = 118,891,335.60

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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.