Home / 72,568,565.64-108,859,118.70-20,046,218.76

Finding the Fourth Proportional to 72,568,565.64, 108,859,118.70 and 20,046,218.76

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Solution

The fourth proportional to 72,568,565.64, 108,859,118.70 and 20,046,218.76 is: 30,071,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,568,565.64 : 108,859,118.70 = 20,046,218.76 : x
  2. Step 2: Convert to fraction form
    72,568,565.64/108,859,118.70 = 20,046,218.76/x
  3. Step 3: Cross multiply
    72,568,565.64x = 108,859,118.70 × 20,046,218.76
  4. Step 4: Simplify right side
    72,568,565.64x = 2,182,213,707,481,007
  5. Step 5: Solve for x
    x = 2,182,213,707,481,007/72,568,565.64
  6. Step 6: Final answer
    x = 30,071,060.22

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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.