Home / 129,343,020.30-194,014,530.45-121,690,269.90

Finding the Fourth Proportional to 129,343,020.30, 194,014,530.45 and 121,690,269.90

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Solution

The fourth proportional to 129,343,020.30, 194,014,530.45 and 121,690,269.90 is: 182,535,404.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,343,020.30 : 194,014,530.45 = 121,690,269.90 : x
  2. Step 2: Convert to fraction form
    129,343,020.30/194,014,530.45 = 121,690,269.90/x
  3. Step 3: Cross multiply
    129,343,020.30x = 194,014,530.45 × 121,690,269.90
  4. Step 4: Simplify right side
    129,343,020.30x = 23,609,680,574,982,268
  5. Step 5: Solve for x
    x = 23,609,680,574,982,268/129,343,020.30
  6. Step 6: Final answer
    x = 182,535,404.85

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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.