Home / 132,102,002.70-198,153,004.05-111,694,668.30

Finding the Fourth Proportional to 132,102,002.70, 198,153,004.05 and 111,694,668.30

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Solution

The fourth proportional to 132,102,002.70, 198,153,004.05 and 111,694,668.30 is: 167,542,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102,002.70 : 198,153,004.05 = 111,694,668.30 : x
  2. Step 2: Convert to fraction form
    132,102,002.70/198,153,004.05 = 111,694,668.30/x
  3. Step 3: Cross multiply
    132,102,002.70x = 198,153,004.05 × 111,694,668.30
  4. Step 4: Simplify right side
    132,102,002.70x = 22,132,634,060,013,308
  5. Step 5: Solve for x
    x = 22,132,634,060,013,308/132,102,002.70
  6. Step 6: Final answer
    x = 167,542,002.45

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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.