Home / 131,328,001.20-196,992,001.80-49,446,721.20

Finding the Fourth Proportional to 131,328,001.20, 196,992,001.80 and 49,446,721.20

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Solution

The fourth proportional to 131,328,001.20, 196,992,001.80 and 49,446,721.20 is: 74,170,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,001.20 : 196,992,001.80 = 49,446,721.20 : x
  2. Step 2: Convert to fraction form
    131,328,001.20/196,992,001.80 = 49,446,721.20/x
  3. Step 3: Cross multiply
    131,328,001.20x = 196,992,001.80 × 49,446,721.20
  4. Step 4: Simplify right side
    131,328,001.20x = 9,740,608,591,634,500
  5. Step 5: Solve for x
    x = 9,740,608,591,634,500/131,328,001.20
  6. Step 6: Final answer
    x = 74,170,081.80

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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.