Home / 215,823,174.80-324,070,685.40-125,123,910.80

Finding the Fourth Proportional to 215,823,174.80, 324,070,685.40 and 125,123,910.80

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Solution

The fourth proportional to 215,823,174.80, 324,070,685.40 and 125,123,910.80 is: 187,880,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,823,174.80 : 324,070,685.40 = 125,123,910.80 : x
  2. Step 2: Convert to fraction form
    215,823,174.80/324,070,685.40 = 125,123,910.80/x
  3. Step 3: Cross multiply
    215,823,174.80x = 324,070,685.40 × 125,123,910.80
  4. Step 4: Simplify right side
    215,823,174.80x = 40,548,991,532,884,456
  5. Step 5: Solve for x
    x = 40,548,991,532,884,456/215,823,174.80
  6. Step 6: Final answer
    x = 187,880,618.34

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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.