Home / 133,609,615.40-200,414,423.10-120,695,599.10

Finding the Fourth Proportional to 133,609,615.40, 200,414,423.10 and 120,695,599.10

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Solution

The fourth proportional to 133,609,615.40, 200,414,423.10 and 120,695,599.10 is: 181,043,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,609,615.40 : 200,414,423.10 = 120,695,599.10 : x
  2. Step 2: Convert to fraction form
    133,609,615.40/200,414,423.10 = 120,695,599.10/x
  3. Step 3: Cross multiply
    133,609,615.40x = 200,414,423.10 × 120,695,599.10
  4. Step 4: Simplify right side
    133,609,615.40x = 24,189,138,864,335,376
  5. Step 5: Solve for x
    x = 24,189,138,864,335,376/133,609,615.40
  6. Step 6: Final answer
    x = 181,043,398.65

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1.5x scale

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.