Home / 342,354,622.50-472,449,379.05-195,680,055.78

Finding the Fourth Proportional to 342,354,622.50, 472,449,379.05 and 195,680,055.78

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Solution

The fourth proportional to 342,354,622.50, 472,449,379.05 and 195,680,055.78 is: 270,038,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,354,622.50 : 472,449,379.05 = 195,680,055.78 : x
  2. Step 2: Convert to fraction form
    342,354,622.50/472,449,379.05 = 195,680,055.78/x
  3. Step 3: Cross multiply
    342,354,622.50x = 472,449,379.05 × 195,680,055.78
  4. Step 4: Simplify right side
    342,354,622.50x = 92,448,920,845,730,368
  5. Step 5: Solve for x
    x = 92,448,920,845,730,368/342,354,622.50
  6. Step 6: Final answer
    x = 270,038,476.98

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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.