Home / 172,981,836.03-238,714,777.92-97,644,025.05

Finding the Fourth Proportional to 172,981,836.03, 238,714,777.92 and 97,644,025.05

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Solution

The fourth proportional to 172,981,836.03, 238,714,777.92 and 97,644,025.05 is: 134,748,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,981,836.03 : 238,714,777.92 = 97,644,025.05 : x
  2. Step 2: Convert to fraction form
    172,981,836.03/238,714,777.92 = 97,644,025.05/x
  3. Step 3: Cross multiply
    172,981,836.03x = 238,714,777.92 × 97,644,025.05
  4. Step 4: Simplify right side
    172,981,836.03x = 23,309,071,755,025,664
  5. Step 5: Solve for x
    x = 23,309,071,755,025,664/172,981,836.03
  6. Step 6: Final answer
    x = 134,748,666.62

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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.