Home / 126,694,929.60-190,042,394.40-99,485,150.40

Finding the Fourth Proportional to 126,694,929.60, 190,042,394.40 and 99,485,150.40

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Solution

The fourth proportional to 126,694,929.60, 190,042,394.40 and 99,485,150.40 is: 149,227,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,694,929.60 : 190,042,394.40 = 99,485,150.40 : x
  2. Step 2: Convert to fraction form
    126,694,929.60/190,042,394.40 = 99,485,150.40/x
  3. Step 3: Cross multiply
    126,694,929.60x = 190,042,394.40 × 99,485,150.40
  4. Step 4: Simplify right side
    126,694,929.60x = 18,906,396,189,260,120
  5. Step 5: Solve for x
    x = 18,906,396,189,260,120/126,694,929.60
  6. Step 6: Final answer
    x = 149,227,725.60

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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.