Home / 85,280,447.43-117,687,017.54-46,122,223.97

Finding the Fourth Proportional to 85,280,447.43, 117,687,017.54 and 46,122,223.97

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Solution

The fourth proportional to 85,280,447.43, 117,687,017.54 and 46,122,223.97 is: 63,648,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280,447.43 : 117,687,017.54 = 46,122,223.97 : x
  2. Step 2: Convert to fraction form
    85,280,447.43/117,687,017.54 = 46,122,223.97/x
  3. Step 3: Cross multiply
    85,280,447.43x = 117,687,017.54 × 46,122,223.97
  4. Step 4: Simplify right side
    85,280,447.43x = 5,427,986,981,750,721
  5. Step 5: Solve for x
    x = 5,427,986,981,750,721/85,280,447.43
  6. Step 6: Final answer
    x = 63,648,669.13

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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.