Home / 132,055,729.10-198,119,023.05-117,777,680.90

Finding the Fourth Proportional to 132,055,729.10, 198,119,023.05 and 117,777,680.90

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Solution

The fourth proportional to 132,055,729.10, 198,119,023.05 and 117,777,680.90 is: 176,698,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,055,729.10 : 198,119,023.05 = 117,777,680.90 : x
  2. Step 2: Convert to fraction form
    132,055,729.10/198,119,023.05 = 117,777,680.90/x
  3. Step 3: Cross multiply
    132,055,729.10x = 198,119,023.05 × 117,777,680.90
  4. Step 4: Simplify right side
    132,055,729.10x = 23,333,999,077,002,648
  5. Step 5: Solve for x
    x = 23,333,999,077,002,648/132,055,729.10
  6. Step 6: Final answer
    x = 176,698,120.07

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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.