Home / 205,013,706.74-307,534,196.42-72,050,481.57

Finding the Fourth Proportional to 205,013,706.74, 307,534,196.42 and 72,050,481.57

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Solution

The fourth proportional to 205,013,706.74, 307,534,196.42 and 72,050,481.57 is: 108,080,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,013,706.74 : 307,534,196.42 = 72,050,481.57 : x
  2. Step 2: Convert to fraction form
    205,013,706.74/307,534,196.42 = 72,050,481.57/x
  3. Step 3: Cross multiply
    205,013,706.74x = 307,534,196.42 × 72,050,481.57
  4. Step 4: Simplify right side
    205,013,706.74x = 22,157,986,950,943,716
  5. Step 5: Solve for x
    x = 22,157,986,950,943,716/205,013,706.74
  6. Step 6: Final answer
    x = 108,080,514.73

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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.