Home / 247,179,942.60-370,769,913.90-138,340,825.80

Finding the Fourth Proportional to 247,179,942.60, 370,769,913.90 and 138,340,825.80

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Solution

The fourth proportional to 247,179,942.60, 370,769,913.90 and 138,340,825.80 is: 207,511,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,179,942.60 : 370,769,913.90 = 138,340,825.80 : x
  2. Step 2: Convert to fraction form
    247,179,942.60/370,769,913.90 = 138,340,825.80/x
  3. Step 3: Cross multiply
    247,179,942.60x = 370,769,913.90 × 138,340,825.80
  4. Step 4: Simplify right side
    247,179,942.60x = 51,292,616,070,720,896
  5. Step 5: Solve for x
    x = 51,292,616,070,720,896/247,179,942.60
  6. Step 6: Final answer
    x = 207,511,238.70

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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.