Home / 172,019,346.40-258,128,552.40-64,324,856.80

Finding the Fourth Proportional to 172,019,346.40, 258,128,552.40 and 64,324,856.80

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Solution

The fourth proportional to 172,019,346.40, 258,128,552.40 and 64,324,856.80 is: 96,524,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,019,346.40 : 258,128,552.40 = 64,324,856.80 : x
  2. Step 2: Convert to fraction form
    172,019,346.40/258,128,552.40 = 64,324,856.80/x
  3. Step 3: Cross multiply
    172,019,346.40x = 258,128,552.40 × 64,324,856.80
  4. Step 4: Simplify right side
    172,019,346.40x = 16,604,082,169,121,296
  5. Step 5: Solve for x
    x = 16,604,082,169,121,296/172,019,346.40
  6. Step 6: Final answer
    x = 96,524,504.46

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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.