Home / 112,109,361.60-168,164,042.40-40,313,035.20

Finding the Fourth Proportional to 112,109,361.60, 168,164,042.40 and 40,313,035.20

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Solution

The fourth proportional to 112,109,361.60, 168,164,042.40 and 40,313,035.20 is: 60,469,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,109,361.60 : 168,164,042.40 = 40,313,035.20 : x
  2. Step 2: Convert to fraction form
    112,109,361.60/168,164,042.40 = 40,313,035.20/x
  3. Step 3: Cross multiply
    112,109,361.60x = 168,164,042.40 × 40,313,035.20
  4. Step 4: Simplify right side
    112,109,361.60x = 6,779,202,960,645,493
  5. Step 5: Solve for x
    x = 6,779,202,960,645,493/112,109,361.60
  6. Step 6: Final answer
    x = 60,469,552.80

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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.