Home / 72,590,410.20-108,885,615.30-27,146,299.80

Finding the Fourth Proportional to 72,590,410.20, 108,885,615.30 and 27,146,299.80

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Solution

The fourth proportional to 72,590,410.20, 108,885,615.30 and 27,146,299.80 is: 40,719,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,590,410.20 : 108,885,615.30 = 27,146,299.80 : x
  2. Step 2: Convert to fraction form
    72,590,410.20/108,885,615.30 = 27,146,299.80/x
  3. Step 3: Cross multiply
    72,590,410.20x = 108,885,615.30 × 27,146,299.80
  4. Step 4: Simplify right side
    72,590,410.20x = 2,955,841,556,841,267
  5. Step 5: Solve for x
    x = 2,955,841,556,841,267/72,590,410.20
  6. Step 6: Final answer
    x = 40,719,449.70

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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.