Home / 129,433,862.20-194,150,793.30-109,026,527.80

Finding the Fourth Proportional to 129,433,862.20, 194,150,793.30 and 109,026,527.80

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Solution

The fourth proportional to 129,433,862.20, 194,150,793.30 and 109,026,527.80 is: 163,539,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,433,862.20 : 194,150,793.30 = 109,026,527.80 : x
  2. Step 2: Convert to fraction form
    129,433,862.20/194,150,793.30 = 109,026,527.80/x
  3. Step 3: Cross multiply
    129,433,862.20x = 194,150,793.30 × 109,026,527.80
  4. Step 4: Simplify right side
    129,433,862.20x = 21,167,586,863,114,504
  5. Step 5: Solve for x
    x = 21,167,586,863,114,504/129,433,862.20
  6. Step 6: Final answer
    x = 163,539,791.70

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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.