Home / 51,438,407.06-70,984,974.31-29,110,987.91

Finding the Fourth Proportional to 51,438,407.06, 70,984,974.31 and 29,110,987.91

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Solution

The fourth proportional to 51,438,407.06, 70,984,974.31 and 29,110,987.91 is: 40,173,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438,407.06 : 70,984,974.31 = 29,110,987.91 : x
  2. Step 2: Convert to fraction form
    51,438,407.06/70,984,974.31 = 29,110,987.91/x
  3. Step 3: Cross multiply
    51,438,407.06x = 70,984,974.31 × 29,110,987.91
  4. Step 4: Simplify right side
    51,438,407.06x = 2,066,442,729,034,755.75
  5. Step 5: Solve for x
    x = 2,066,442,729,034,755.75/51,438,407.06
  6. Step 6: Final answer
    x = 40,173,147.79

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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.