Home / 129,487,676.20-194,231,514.30-100,577,285.80

Finding the Fourth Proportional to 129,487,676.20, 194,231,514.30 and 100,577,285.80

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Solution

The fourth proportional to 129,487,676.20, 194,231,514.30 and 100,577,285.80 is: 150,865,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,487,676.20 : 194,231,514.30 = 100,577,285.80 : x
  2. Step 2: Convert to fraction form
    129,487,676.20/194,231,514.30 = 100,577,285.80/x
  3. Step 3: Cross multiply
    129,487,676.20x = 194,231,514.30 × 100,577,285.80
  4. Step 4: Simplify right side
    129,487,676.20x = 19,535,278,525,117,888
  5. Step 5: Solve for x
    x = 19,535,278,525,117,888/129,487,676.20
  6. Step 6: Final answer
    x = 150,865,928.70

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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.