Home / 98,198,261.80-147,292,067.58-30,040,959.40

Finding the Fourth Proportional to 98,198,261.80, 147,292,067.58 and 30,040,959.40

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Solution

The fourth proportional to 98,198,261.80, 147,292,067.58 and 30,040,959.40 is: 45,059,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,198,261.80 : 147,292,067.58 = 30,040,959.40 : x
  2. Step 2: Convert to fraction form
    98,198,261.80/147,292,067.58 = 30,040,959.40/x
  3. Step 3: Cross multiply
    98,198,261.80x = 147,292,067.58 × 30,040,959.40
  4. Step 4: Simplify right side
    98,198,261.80x = 4,424,795,022,112,836.50
  5. Step 5: Solve for x
    x = 4,424,795,022,112,836.50/98,198,261.80
  6. Step 6: Final answer
    x = 45,059,810.03

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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.