Home / 83,974,541.20-125,961,811.80-69,625,634.20

Finding the Fourth Proportional to 83,974,541.20, 125,961,811.80 and 69,625,634.20

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Solution

The fourth proportional to 83,974,541.20, 125,961,811.80 and 69,625,634.20 is: 104,438,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,974,541.20 : 125,961,811.80 = 69,625,634.20 : x
  2. Step 2: Convert to fraction form
    83,974,541.20/125,961,811.80 = 69,625,634.20/x
  3. Step 3: Cross multiply
    83,974,541.20x = 125,961,811.80 × 69,625,634.20
  4. Step 4: Simplify right side
    83,974,541.20x = 8,770,171,031,556,044
  5. Step 5: Solve for x
    x = 8,770,171,031,556,044/83,974,541.20
  6. Step 6: Final answer
    x = 104,438,451.30

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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.