Home / 341,341,987.50-512,013,230.37-82,557,456.87

Finding the Fourth Proportional to 341,341,987.50, 512,013,230.37 and 82,557,456.87

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Solution

The fourth proportional to 341,341,987.50, 512,013,230.37 and 82,557,456.87 is: 123,836,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,341,987.50 : 512,013,230.37 = 82,557,456.87 : x
  2. Step 2: Convert to fraction form
    341,341,987.50/512,013,230.37 = 82,557,456.87/x
  3. Step 3: Cross multiply
    341,341,987.50x = 512,013,230.37 × 82,557,456.87
  4. Step 4: Simplify right side
    341,341,987.50x = 42,270,510,183,140,648
  5. Step 5: Solve for x
    x = 42,270,510,183,140,648/341,341,987.50
  6. Step 6: Final answer
    x = 123,836,245.56

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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.