Home / 172,476,077.80-258,714,116.70-155,469,965.80

Finding the Fourth Proportional to 172,476,077.80, 258,714,116.70 and 155,469,965.80

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Solution

The fourth proportional to 172,476,077.80, 258,714,116.70 and 155,469,965.80 is: 233,204,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,476,077.80 : 258,714,116.70 = 155,469,965.80 : x
  2. Step 2: Convert to fraction form
    172,476,077.80/258,714,116.70 = 155,469,965.80/x
  3. Step 3: Cross multiply
    172,476,077.80x = 258,714,116.70 × 155,469,965.80
  4. Step 4: Simplify right side
    172,476,077.80x = 40,222,274,875,326,208
  5. Step 5: Solve for x
    x = 40,222,274,875,326,208/172,476,077.80
  6. Step 6: Final answer
    x = 233,204,948.70

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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.