Home / 205,870,540.10-309,044,958.60-124,081,770.20

Finding the Fourth Proportional to 205,870,540.10, 309,044,958.60 and 124,081,770.20

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Solution

The fourth proportional to 205,870,540.10, 309,044,958.60 and 124,081,770.20 is: 186,266,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,870,540.10 : 309,044,958.60 = 124,081,770.20 : x
  2. Step 2: Convert to fraction form
    205,870,540.10/309,044,958.60 = 124,081,770.20/x
  3. Step 3: Cross multiply
    205,870,540.10x = 309,044,958.60 × 124,081,770.20
  4. Step 4: Simplify right side
    205,870,540.10x = 38,346,845,534,473,720
  5. Step 5: Solve for x
    x = 38,346,845,534,473,720/205,870,540.10
  6. Step 6: Final answer
    x = 186,266,794.25

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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.