Home / 172,214,489-258,442,786.14-155,749,120.04

Finding the Fourth Proportional to 172,214,489, 258,442,786.14 and 155,749,120.04

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Solution

The fourth proportional to 172,214,489, 258,442,786.14 and 155,749,120.04 is: 233,733,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,214,489 : 258,442,786.14 = 155,749,120.04 : x
  2. Step 2: Convert to fraction form
    172,214,489/258,442,786.14 = 155,749,120.04/x
  3. Step 3: Cross multiply
    172,214,489x = 258,442,786.14 × 155,749,120.04
  4. Step 4: Simplify right side
    172,214,489x = 40,252,236,521,990,904
  5. Step 5: Solve for x
    x = 40,252,236,521,990,904/172,214,489
  6. Step 6: Final answer
    x = 233,733,158.90

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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.