Home / 123,210,455.44-170,031,772.20-68,207,230.48

Finding the Fourth Proportional to 123,210,455.44, 170,031,772.20 and 68,207,230.48

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Solution

The fourth proportional to 123,210,455.44, 170,031,772.20 and 68,207,230.48 is: 94,126,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210,455.44 : 170,031,772.20 = 68,207,230.48 : x
  2. Step 2: Convert to fraction form
    123,210,455.44/170,031,772.20 = 68,207,230.48/x
  3. Step 3: Cross multiply
    123,210,455.44x = 170,031,772.20 × 68,207,230.48
  4. Step 4: Simplify right side
    123,210,455.44x = 11,597,396,275,368,256
  5. Step 5: Solve for x
    x = 11,597,396,275,368,256/123,210,455.44
  6. Step 6: Final answer
    x = 94,126,721.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.