Home / 133,609,634.40-200,414,451.60-120,695,618.10

Finding the Fourth Proportional to 133,609,634.40, 200,414,451.60 and 120,695,618.10

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Solution

The fourth proportional to 133,609,634.40, 200,414,451.60 and 120,695,618.10 is: 181,043,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,609,634.40 : 200,414,451.60 = 120,695,618.10 : x
  2. Step 2: Convert to fraction form
    133,609,634.40/200,414,451.60 = 120,695,618.10/x
  3. Step 3: Cross multiply
    133,609,634.40x = 200,414,451.60 × 120,695,618.10
  4. Step 4: Simplify right side
    133,609,634.40x = 24,189,146,112,034,532
  5. Step 5: Solve for x
    x = 24,189,146,112,034,532/133,609,634.40
  6. Step 6: Final answer
    x = 181,043,427.15

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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.