Home / 133,609,629.90-200,414,444.85-120,695,613.60

Finding the Fourth Proportional to 133,609,629.90, 200,414,444.85 and 120,695,613.60

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Solution

The fourth proportional to 133,609,629.90, 200,414,444.85 and 120,695,613.60 is: 181,043,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,609,629.90 : 200,414,444.85 = 120,695,613.60 : x
  2. Step 2: Convert to fraction form
    133,609,629.90/200,414,444.85 = 120,695,613.60/x
  3. Step 3: Cross multiply
    133,609,629.90x = 200,414,444.85 × 120,695,613.60
  4. Step 4: Simplify right side
    133,609,629.90x = 24,189,144,395,474,108
  5. Step 5: Solve for x
    x = 24,189,144,395,474,108/133,609,629.90
  6. Step 6: Final answer
    x = 181,043,420.40

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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.