Home / 342,354,629.25-472,449,388.41-195,680,062.53

Finding the Fourth Proportional to 342,354,629.25, 472,449,388.41 and 195,680,062.53

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Solution

The fourth proportional to 342,354,629.25, 472,449,388.41 and 195,680,062.53 is: 270,038,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,354,629.25 : 472,449,388.41 = 195,680,062.53 : x
  2. Step 2: Convert to fraction form
    342,354,629.25/472,449,388.41 = 195,680,062.53/x
  3. Step 3: Cross multiply
    342,354,629.25x = 472,449,388.41 × 195,680,062.53
  4. Step 4: Simplify right side
    342,354,629.25x = 92,448,925,866,329,056
  5. Step 5: Solve for x
    x = 92,448,925,866,329,056/342,354,629.25
  6. Step 6: Final answer
    x = 270,038,486.32

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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.