Home / 85,982,729.49-118,650,791.93-47,351,561.49

Finding the Fourth Proportional to 85,982,729.49, 118,650,791.93 and 47,351,561.49

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Solution

The fourth proportional to 85,982,729.49, 118,650,791.93 and 47,351,561.49 is: 65,342,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,982,729.49 : 118,650,791.93 = 47,351,561.49 : x
  2. Step 2: Convert to fraction form
    85,982,729.49/118,650,791.93 = 47,351,561.49/x
  3. Step 3: Cross multiply
    85,982,729.49x = 118,650,791.93 × 47,351,561.49
  4. Step 4: Simplify right side
    85,982,729.49x = 5,618,300,269,673,833
  5. Step 5: Solve for x
    x = 5,618,300,269,673,833/85,982,729.49
  6. Step 6: Final answer
    x = 65,342,194.92

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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.