Home / 123,722,966.92-170,718,714.54-71,501,918.34

Finding the Fourth Proportional to 123,722,966.92, 170,718,714.54 and 71,501,918.34

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Solution

The fourth proportional to 123,722,966.92, 170,718,714.54 and 71,501,918.34 is: 98,661,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,722,966.92 : 170,718,714.54 = 71,501,918.34 : x
  2. Step 2: Convert to fraction form
    123,722,966.92/170,718,714.54 = 71,501,918.34/x
  3. Step 3: Cross multiply
    123,722,966.92x = 170,718,714.54 × 71,501,918.34
  4. Step 4: Simplify right side
    123,722,966.92x = 12,206,715,586,148,850
  5. Step 5: Solve for x
    x = 12,206,715,586,148,850/123,722,966.92
  6. Step 6: Final answer
    x = 98,661,678.51

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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.