Home / 132,055,728.10-198,119,021.55-117,777,679.90

Finding the Fourth Proportional to 132,055,728.10, 198,119,021.55 and 117,777,679.90

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Solution

The fourth proportional to 132,055,728.10, 198,119,021.55 and 117,777,679.90 is: 176,698,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,055,728.10 : 198,119,021.55 = 117,777,679.90 : x
  2. Step 2: Convert to fraction form
    132,055,728.10/198,119,021.55 = 117,777,679.90/x
  3. Step 3: Cross multiply
    132,055,728.10x = 198,119,021.55 × 117,777,679.90
  4. Step 4: Simplify right side
    132,055,728.10x = 23,333,998,702,217,104
  5. Step 5: Solve for x
    x = 23,333,998,702,217,104/132,055,728.10
  6. Step 6: Final answer
    x = 176,698,118.57

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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.