Home / 231,759,708.49-347,585,630.86-86,261,791.51

Finding the Fourth Proportional to 231,759,708.49, 347,585,630.86 and 86,261,791.51

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Solution

The fourth proportional to 231,759,708.49, 347,585,630.86 and 86,261,791.51 is: 129,372,613.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,759,708.49 : 347,585,630.86 = 86,261,791.51 : x
  2. Step 2: Convert to fraction form
    231,759,708.49/347,585,630.86 = 86,261,791.51/x
  3. Step 3: Cross multiply
    231,759,708.49x = 347,585,630.86 × 86,261,791.51
  4. Step 4: Simplify right side
    231,759,708.49x = 29,983,359,221,117,144
  5. Step 5: Solve for x
    x = 29,983,359,221,117,144/231,759,708.49
  6. Step 6: Final answer
    x = 129,372,613.63

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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.