Home / 47,942,372.23-71,964,734.10-20,662,127.89

Finding the Fourth Proportional to 47,942,372.23, 71,964,734.10 and 20,662,127.89

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Solution

The fourth proportional to 47,942,372.23, 71,964,734.10 and 20,662,127.89 is: 31,015,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942,372.23 : 71,964,734.10 = 20,662,127.89 : x
  2. Step 2: Convert to fraction form
    47,942,372.23/71,964,734.10 = 20,662,127.89/x
  3. Step 3: Cross multiply
    47,942,372.23x = 71,964,734.10 × 20,662,127.89
  4. Step 4: Simplify right side
    47,942,372.23x = 1,486,944,539,544,044
  5. Step 5: Solve for x
    x = 1,486,944,539,544,044/47,942,372.23
  6. Step 6: Final answer
    x = 31,015,247.48

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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.