Home / 207,127,202,939.20-310,835,923,231.20-132,777,992,929.60

Finding the Fourth Proportional to 207,127,202,939.20, 310,835,923,231.20 and 132,777,992,929.60

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Solution

The fourth proportional to 207,127,202,939.20, 310,835,923,231.20 and 132,777,992,929.60 is: 199,260,017,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,127,202,939.20 : 310,835,923,231.20 = 132,777,992,929.60 : x
  2. Step 2: Convert to fraction form
    207,127,202,939.20/310,835,923,231.20 = 132,777,992,929.60/x
  3. Step 3: Cross multiply
    207,127,202,939.20x = 310,835,923,231.20 × 132,777,992,929.60
  4. Step 4: Simplify right side
    207,127,202,939.20x = 41,272,170,017,057,962,721,280
  5. Step 5: Solve for x
    x = 41,272,170,017,057,962,721,280/207,127,202,939.20
  6. Step 6: Final answer
    x = 199,260,017,184.58

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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.