Home / 29,131,142.80-43,696,714.20-20,061,216.40

Finding the Fourth Proportional to 29,131,142.80, 43,696,714.20 and 20,061,216.40

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Solution

The fourth proportional to 29,131,142.80, 43,696,714.20 and 20,061,216.40 is: 30,091,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131,142.80 : 43,696,714.20 = 20,061,216.40 : x
  2. Step 2: Convert to fraction form
    29,131,142.80/43,696,714.20 = 20,061,216.40/x
  3. Step 3: Cross multiply
    29,131,142.80x = 43,696,714.20 × 20,061,216.40
  4. Step 4: Simplify right side
    29,131,142.80x = 876,609,239,535,152.88
  5. Step 5: Solve for x
    x = 876,609,239,535,152.88/29,131,142.80
  6. Step 6: Final answer
    x = 30,091,824.60

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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.