Home / 172,320,006.90-258,480,010.35-165,517,562.10

Finding the Fourth Proportional to 172,320,006.90, 258,480,010.35 and 165,517,562.10

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Solution

The fourth proportional to 172,320,006.90, 258,480,010.35 and 165,517,562.10 is: 248,276,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,320,006.90 : 258,480,010.35 = 165,517,562.10 : x
  2. Step 2: Convert to fraction form
    172,320,006.90/258,480,010.35 = 165,517,562.10/x
  3. Step 3: Cross multiply
    172,320,006.90x = 258,480,010.35 × 165,517,562.10
  4. Step 4: Simplify right side
    172,320,006.90x = 42,782,981,164,714,768
  5. Step 5: Solve for x
    x = 42,782,981,164,714,768/172,320,006.90
  6. Step 6: Final answer
    x = 248,276,343.15

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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.