Home / 130,385,111.43-179,932,885.80-71,647,791.75

Finding the Fourth Proportional to 130,385,111.43, 179,932,885.80 and 71,647,791.75

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Solution

The fourth proportional to 130,385,111.43, 179,932,885.80 and 71,647,791.75 is: 98,874,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385,111.43 : 179,932,885.80 = 71,647,791.75 : x
  2. Step 2: Convert to fraction form
    130,385,111.43/179,932,885.80 = 71,647,791.75/x
  3. Step 3: Cross multiply
    130,385,111.43x = 179,932,885.80 × 71,647,791.75
  4. Step 4: Simplify right side
    130,385,111.43x = 12,891,793,930,774,934
  5. Step 5: Solve for x
    x = 12,891,793,930,774,934/130,385,111.43
  6. Step 6: Final answer
    x = 98,874,739.53

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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.