Home / 129,446,772.40-194,170,158.60-119,593,025.20

Finding the Fourth Proportional to 129,446,772.40, 194,170,158.60 and 119,593,025.20

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Solution

The fourth proportional to 129,446,772.40, 194,170,158.60 and 119,593,025.20 is: 179,389,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,446,772.40 : 194,170,158.60 = 119,593,025.20 : x
  2. Step 2: Convert to fraction form
    129,446,772.40/194,170,158.60 = 119,593,025.20/x
  3. Step 3: Cross multiply
    129,446,772.40x = 194,170,158.60 × 119,593,025.20
  4. Step 4: Simplify right side
    129,446,772.40x = 23,221,396,670,537,796
  5. Step 5: Solve for x
    x = 23,221,396,670,537,796/129,446,772.40
  6. Step 6: Final answer
    x = 179,389,537.80

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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.