Home / 247,179,946.60-370,769,919.90-138,340,829.80

Finding the Fourth Proportional to 247,179,946.60, 370,769,919.90 and 138,340,829.80

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Solution

The fourth proportional to 247,179,946.60, 370,769,919.90 and 138,340,829.80 is: 207,511,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,179,946.60 : 370,769,919.90 = 138,340,829.80 : x
  2. Step 2: Convert to fraction form
    247,179,946.60/370,769,919.90 = 138,340,829.80/x
  3. Step 3: Cross multiply
    247,179,946.60x = 370,769,919.90 × 138,340,829.80
  4. Step 4: Simplify right side
    247,179,946.60x = 51,292,618,383,845,536
  5. Step 5: Solve for x
    x = 51,292,618,383,845,536/247,179,946.60
  6. Step 6: Final answer
    x = 207,511,244.70

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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.