Home / 72,063,020.45-108,072,174.44-25,998,901.22

Finding the Fourth Proportional to 72,063,020.45, 108,072,174.44 and 25,998,901.22

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Solution

The fourth proportional to 72,063,020.45, 108,072,174.44 and 25,998,901.22 is: 38,990,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,063,020.45 : 108,072,174.44 = 25,998,901.22 : x
  2. Step 2: Convert to fraction form
    72,063,020.45/108,072,174.44 = 25,998,901.22/x
  3. Step 3: Cross multiply
    72,063,020.45x = 108,072,174.44 × 25,998,901.22
  4. Step 4: Simplify right side
    72,063,020.45x = 2,809,757,788,231,346.50
  5. Step 5: Solve for x
    x = 2,809,757,788,231,346.50/72,063,020.45
  6. Step 6: Final answer
    x = 38,990,286.15

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1.5x scale

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.