Home / 342,354,638.25-472,449,400.83-195,680,071.53

Finding the Fourth Proportional to 342,354,638.25, 472,449,400.83 and 195,680,071.53

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Solution

The fourth proportional to 342,354,638.25, 472,449,400.83 and 195,680,071.53 is: 270,038,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,354,638.25 : 472,449,400.83 = 195,680,071.53 : x
  2. Step 2: Convert to fraction form
    342,354,638.25/472,449,400.83 = 195,680,071.53/x
  3. Step 3: Cross multiply
    342,354,638.25x = 472,449,400.83 × 195,680,071.53
  4. Step 4: Simplify right side
    342,354,638.25x = 92,448,932,548,720,032
  5. Step 5: Solve for x
    x = 92,448,932,548,720,032/342,354,638.25
  6. Step 6: Final answer
    x = 270,038,498.74

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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.