Home / 72,448,162.20-108,672,243.30-72,023,009.40

Finding the Fourth Proportional to 72,448,162.20, 108,672,243.30 and 72,023,009.40

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Solution

The fourth proportional to 72,448,162.20, 108,672,243.30 and 72,023,009.40 is: 108,034,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,448,162.20 : 108,672,243.30 = 72,023,009.40 : x
  2. Step 2: Convert to fraction form
    72,448,162.20/108,672,243.30 = 72,023,009.40/x
  3. Step 3: Cross multiply
    72,448,162.20x = 108,672,243.30 × 72,023,009.40
  4. Step 4: Simplify right side
    72,448,162.20x = 7,826,902,000,714,987
  5. Step 5: Solve for x
    x = 7,826,902,000,714,987/72,448,162.20
  6. Step 6: Final answer
    x = 108,034,514.10

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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.