Home / 172,199,900.16-258,299,869.68-69,964,007.04

Finding the Fourth Proportional to 172,199,900.16, 258,299,869.68 and 69,964,007.04

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Solution

The fourth proportional to 172,199,900.16, 258,299,869.68 and 69,964,007.04 is: 104,946,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,199,900.16 : 258,299,869.68 = 69,964,007.04 : x
  2. Step 2: Convert to fraction form
    172,199,900.16/258,299,869.68 = 69,964,007.04/x
  3. Step 3: Cross multiply
    172,199,900.16x = 258,299,869.68 × 69,964,007.04
  4. Step 4: Simplify right side
    172,199,900.16x = 18,071,693,900,722,604
  5. Step 5: Solve for x
    x = 18,071,693,900,722,604/172,199,900.16
  6. Step 6: Final answer
    x = 104,946,018.46

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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.