Home / 132,142,843.98-198,010,546.92-70,740,150.84

Finding the Fourth Proportional to 132,142,843.98, 198,010,546.92 and 70,740,150.84

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Solution

The fourth proportional to 132,142,843.98, 198,010,546.92 and 70,740,150.84 is: 106,001,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,142,843.98 : 198,010,546.92 = 70,740,150.84 : x
  2. Step 2: Convert to fraction form
    132,142,843.98/198,010,546.92 = 70,740,150.84/x
  3. Step 3: Cross multiply
    132,142,843.98x = 198,010,546.92 × 70,740,150.84
  4. Step 4: Simplify right side
    132,142,843.98x = 14,007,295,957,031,698
  5. Step 5: Solve for x
    x = 14,007,295,957,031,698/132,142,843.98
  6. Step 6: Final answer
    x = 106,001,169.15

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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.