Home / 213,775,876.80-295,014,139.20-115,990,732.80

Finding the Fourth Proportional to 213,775,876.80, 295,014,139.20 and 115,990,732.80

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Solution

The fourth proportional to 213,775,876.80, 295,014,139.20 and 115,990,732.80 is: 160,069,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,775,876.80 : 295,014,139.20 = 115,990,732.80 : x
  2. Step 2: Convert to fraction form
    213,775,876.80/295,014,139.20 = 115,990,732.80/x
  3. Step 3: Cross multiply
    213,775,876.80x = 295,014,139.20 × 115,990,732.80
  4. Step 4: Simplify right side
    213,775,876.80x = 34,218,906,192,169,204
  5. Step 5: Solve for x
    x = 34,218,906,192,169,204/213,775,876.80
  6. Step 6: Final answer
    x = 160,069,071.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.