Home / 133,609,630.40-200,414,445.60-120,695,614.10

Finding the Fourth Proportional to 133,609,630.40, 200,414,445.60 and 120,695,614.10

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Solution

The fourth proportional to 133,609,630.40, 200,414,445.60 and 120,695,614.10 is: 181,043,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,609,630.40 : 200,414,445.60 = 120,695,614.10 : x
  2. Step 2: Convert to fraction form
    133,609,630.40/200,414,445.60 = 120,695,614.10/x
  3. Step 3: Cross multiply
    133,609,630.40x = 200,414,445.60 × 120,695,614.10
  4. Step 4: Simplify right side
    133,609,630.40x = 24,189,144,586,203,040
  5. Step 5: Solve for x
    x = 24,189,144,586,203,040/133,609,630.40
  6. Step 6: Final answer
    x = 181,043,421.15

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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.