Home / 126,881,200.80-190,109,224.80-108,599,630.40

Finding the Fourth Proportional to 126,881,200.80, 190,109,224.80 and 108,599,630.40

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Solution

The fourth proportional to 126,881,200.80, 190,109,224.80 and 108,599,630.40 is: 162,717,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,881,200.80 : 190,109,224.80 = 108,599,630.40 : x
  2. Step 2: Convert to fraction form
    126,881,200.80/190,109,224.80 = 108,599,630.40/x
  3. Step 3: Cross multiply
    126,881,200.80x = 190,109,224.80 × 108,599,630.40
  4. Step 4: Simplify right side
    126,881,200.80x = 20,645,791,548,910,516
  5. Step 5: Solve for x
    x = 20,645,791,548,910,516/126,881,200.80
  6. Step 6: Final answer
    x = 162,717,498.09

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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.