Home / 126,791,998.80-190,187,998.20-118,225,957.20

Finding the Fourth Proportional to 126,791,998.80, 190,187,998.20 and 118,225,957.20

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Solution

The fourth proportional to 126,791,998.80, 190,187,998.20 and 118,225,957.20 is: 177,338,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,791,998.80 : 190,187,998.20 = 118,225,957.20 : x
  2. Step 2: Convert to fraction form
    126,791,998.80/190,187,998.20 = 118,225,957.20/x
  3. Step 3: Cross multiply
    126,791,998.80x = 190,187,998.20 × 118,225,957.20
  4. Step 4: Simplify right side
    126,791,998.80x = 22,485,158,135,146,876
  5. Step 5: Solve for x
    x = 22,485,158,135,146,876/126,791,998.80
  6. Step 6: Final answer
    x = 177,338,935.80

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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.