Home / 86,974,414.20-130,477,367.70-43,734,799.80

Finding the Fourth Proportional to 86,974,414.20, 130,477,367.70 and 43,734,799.80

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Solution

The fourth proportional to 86,974,414.20, 130,477,367.70 and 43,734,799.80 is: 65,610,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,974,414.20 : 130,477,367.70 = 43,734,799.80 : x
  2. Step 2: Convert to fraction form
    86,974,414.20/130,477,367.70 = 43,734,799.80/x
  3. Step 3: Cross multiply
    86,974,414.20x = 130,477,367.70 × 43,734,799.80
  4. Step 4: Simplify right side
    86,974,414.20x = 5,706,401,554,790,486
  5. Step 5: Solve for x
    x = 5,706,401,554,790,486/86,974,414.20
  6. Step 6: Final answer
    x = 65,610,117.73

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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.