Home / 172,019,255.40-258,128,415.90-64,324,765.80

Finding the Fourth Proportional to 172,019,255.40, 258,128,415.90 and 64,324,765.80

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Solution

The fourth proportional to 172,019,255.40, 258,128,415.90 and 64,324,765.80 is: 96,524,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,019,255.40 : 258,128,415.90 = 64,324,765.80 : x
  2. Step 2: Convert to fraction form
    172,019,255.40/258,128,415.90 = 64,324,765.80/x
  3. Step 3: Cross multiply
    172,019,255.40x = 258,128,415.90 × 64,324,765.80
  4. Step 4: Simplify right side
    172,019,255.40x = 16,604,049,899,092,496
  5. Step 5: Solve for x
    x = 16,604,049,899,092,496/172,019,255.40
  6. Step 6: Final answer
    x = 96,524,367.93

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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.