Home / 129,034,694.40-193,552,041.60-57,231,110.40

Finding the Fourth Proportional to 129,034,694.40, 193,552,041.60 and 57,231,110.40

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Solution

The fourth proportional to 129,034,694.40, 193,552,041.60 and 57,231,110.40 is: 85,846,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,034,694.40 : 193,552,041.60 = 57,231,110.40 : x
  2. Step 2: Convert to fraction form
    129,034,694.40/193,552,041.60 = 57,231,110.40/x
  3. Step 3: Cross multiply
    129,034,694.40x = 193,552,041.60 × 57,231,110.40
  4. Step 4: Simplify right side
    129,034,694.40x = 11,077,198,260,954,992
  5. Step 5: Solve for x
    x = 11,077,198,260,954,992/129,034,694.40
  6. Step 6: Final answer
    x = 85,846,665.60

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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.