Home / 72,568,562.57-108,859,114.11-20,046,215.67

Finding the Fourth Proportional to 72,568,562.57, 108,859,114.11 and 20,046,215.67

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Solution

The fourth proportional to 72,568,562.57, 108,859,114.11 and 20,046,215.67 is: 30,071,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,568,562.57 : 108,859,114.11 = 20,046,215.67 : x
  2. Step 2: Convert to fraction form
    72,568,562.57/108,859,114.11 = 20,046,215.67/x
  3. Step 3: Cross multiply
    72,568,562.57x = 108,859,114.11 × 20,046,215.67
  4. Step 4: Simplify right side
    72,568,562.57x = 2,182,213,279,094,200.25
  5. Step 5: Solve for x
    x = 2,182,213,279,094,200.25/72,568,562.57
  6. Step 6: Final answer
    x = 30,071,055.59

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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.