Home / 129,431,725.20-194,147,587.80-95,419,501.20

Finding the Fourth Proportional to 129,431,725.20, 194,147,587.80 and 95,419,501.20

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Solution

The fourth proportional to 129,431,725.20, 194,147,587.80 and 95,419,501.20 is: 143,129,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,431,725.20 : 194,147,587.80 = 95,419,501.20 : x
  2. Step 2: Convert to fraction form
    129,431,725.20/194,147,587.80 = 95,419,501.20/x
  3. Step 3: Cross multiply
    129,431,725.20x = 194,147,587.80 × 95,419,501.20
  4. Step 4: Simplify right side
    129,431,725.20x = 18,525,465,987,059,208
  5. Step 5: Solve for x
    x = 18,525,465,987,059,208/129,431,725.20
  6. Step 6: Final answer
    x = 143,129,251.80

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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.