Home / 118,198,999.92-163,117,201.02-65,275,599.75

Finding the Fourth Proportional to 118,198,999.92, 163,117,201.02 and 65,275,599.75

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Solution

The fourth proportional to 118,198,999.92, 163,117,201.02 and 65,275,599.75 is: 90,081,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,198,999.92 : 163,117,201.02 = 65,275,599.75 : x
  2. Step 2: Convert to fraction form
    118,198,999.92/163,117,201.02 = 65,275,599.75/x
  3. Step 3: Cross multiply
    118,198,999.92x = 163,117,201.02 × 65,275,599.75
  4. Step 4: Simplify right side
    118,198,999.92x = 10,647,573,125,265,340
  5. Step 5: Solve for x
    x = 10,647,573,125,265,340/118,198,999.92
  6. Step 6: Final answer
    x = 90,081,753.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.