Home / 363,857,734.87-545,726,809.72-130,640,166.43

Finding the Fourth Proportional to 363,857,734.87, 545,726,809.72 and 130,640,166.43

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Solution

The fourth proportional to 363,857,734.87, 545,726,809.72 and 130,640,166.43 is: 195,938,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,857,734.87 : 545,726,809.72 = 130,640,166.43 : x
  2. Step 2: Convert to fraction form
    363,857,734.87/545,726,809.72 = 130,640,166.43/x
  3. Step 3: Cross multiply
    363,857,734.87x = 545,726,809.72 × 130,640,166.43
  4. Step 4: Simplify right side
    363,857,734.87x = 71,293,841,245,932,728
  5. Step 5: Solve for x
    x = 71,293,841,245,932,728/363,857,734.87
  6. Step 6: Final answer
    x = 195,938,781.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.