Home / 172,542,247.80-258,941,912.70-126,602,827.48

Finding the Fourth Proportional to 172,542,247.80, 258,941,912.70 and 126,602,827.48

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Solution

The fourth proportional to 172,542,247.80, 258,941,912.70 and 126,602,827.48 is: 189,998,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,542,247.80 : 258,941,912.70 = 126,602,827.48 : x
  2. Step 2: Convert to fraction form
    172,542,247.80/258,941,912.70 = 126,602,827.48/x
  3. Step 3: Cross multiply
    172,542,247.80x = 258,941,912.70 × 126,602,827.48
  4. Step 4: Simplify right side
    172,542,247.80x = 32,782,778,300,899,320
  5. Step 5: Solve for x
    x = 32,782,778,300,899,320/172,542,247.80
  6. Step 6: Final answer
    x = 189,998,558.14

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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.