Home / 262,858,705.60-394,512,007.20-117,515,934.40

Finding the Fourth Proportional to 262,858,705.60, 394,512,007.20 and 117,515,934.40

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Solution

The fourth proportional to 262,858,705.60, 394,512,007.20 and 117,515,934.40 is: 176,374,022.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,858,705.60 : 394,512,007.20 = 117,515,934.40 : x
  2. Step 2: Convert to fraction form
    262,858,705.60/394,512,007.20 = 117,515,934.40/x
  3. Step 3: Cross multiply
    262,858,705.60x = 394,512,007.20 × 117,515,934.40
  4. Step 4: Simplify right side
    262,858,705.60x = 46,361,447,158,127,528
  5. Step 5: Solve for x
    x = 46,361,447,158,127,528/262,858,705.60
  6. Step 6: Final answer
    x = 176,374,022.13

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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.