Home / 83,478,808.80-125,218,213.20-57,969,640.80

Finding the Fourth Proportional to 83,478,808.80, 125,218,213.20 and 57,969,640.80

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Solution

The fourth proportional to 83,478,808.80, 125,218,213.20 and 57,969,640.80 is: 86,954,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,478,808.80 : 125,218,213.20 = 57,969,640.80 : x
  2. Step 2: Convert to fraction form
    83,478,808.80/125,218,213.20 = 57,969,640.80/x
  3. Step 3: Cross multiply
    83,478,808.80x = 125,218,213.20 × 57,969,640.80
  4. Step 4: Simplify right side
    83,478,808.80x = 7,258,854,840,821,818
  5. Step 5: Solve for x
    x = 7,258,854,840,821,818/83,478,808.80
  6. Step 6: Final answer
    x = 86,954,461.20

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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.