Home / 72,063,021.96-108,072,176.69-25,998,902.73

Finding the Fourth Proportional to 72,063,021.96, 108,072,176.69 and 25,998,902.73

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Solution

The fourth proportional to 72,063,021.96, 108,072,176.69 and 25,998,902.73 is: 38,990,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,063,021.96 : 108,072,176.69 = 25,998,902.73 : x
  2. Step 2: Convert to fraction form
    72,063,021.96/108,072,176.69 = 25,998,902.73/x
  3. Step 3: Cross multiply
    72,063,021.96x = 108,072,176.69 × 25,998,902.73
  4. Step 4: Simplify right side
    72,063,021.96x = 2,809,758,009,452,689
  5. Step 5: Solve for x
    x = 2,809,758,009,452,689/72,063,021.96
  6. Step 6: Final answer
    x = 38,990,288.40

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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.