Home / 123,722,963.91-170,718,710.40-71,501,915.34

Finding the Fourth Proportional to 123,722,963.91, 170,718,710.40 and 71,501,915.34

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Solution

The fourth proportional to 123,722,963.91, 170,718,710.40 and 71,501,915.34 is: 98,661,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,722,963.91 : 170,718,710.40 = 71,501,915.34 : x
  2. Step 2: Convert to fraction form
    123,722,963.91/170,718,710.40 = 71,501,915.34/x
  3. Step 3: Cross multiply
    123,722,963.91x = 170,718,710.40 × 71,501,915.34
  4. Step 4: Simplify right side
    123,722,963.91x = 12,206,714,777,974,778
  5. Step 5: Solve for x
    x = 12,206,714,777,974,778/123,722,963.91
  6. Step 6: Final answer
    x = 98,661,674.37

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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.