Home / 109,519,229.52-164,042,671.68-103,080,157.20

Finding the Fourth Proportional to 109,519,229.52, 164,042,671.68 and 103,080,157.20

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Solution

The fourth proportional to 109,519,229.52, 164,042,671.68 and 103,080,157.20 is: 154,397,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,519,229.52 : 164,042,671.68 = 103,080,157.20 : x
  2. Step 2: Convert to fraction form
    109,519,229.52/164,042,671.68 = 103,080,157.20/x
  3. Step 3: Cross multiply
    109,519,229.52x = 164,042,671.68 × 103,080,157.20
  4. Step 4: Simplify right side
    109,519,229.52x = 16,909,544,384,282,390
  5. Step 5: Solve for x
    x = 16,909,544,384,282,390/109,519,229.52
  6. Step 6: Final answer
    x = 154,397,948.73

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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.