Home / 131,557,942.80-196,777,042.20-118,009,040.40

Finding the Fourth Proportional to 131,557,942.80, 196,777,042.20 and 118,009,040.40

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Solution

The fourth proportional to 131,557,942.80, 196,777,042.20 and 118,009,040.40 is: 176,511,348.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,557,942.80 : 196,777,042.20 = 118,009,040.40 : x
  2. Step 2: Convert to fraction form
    131,557,942.80/196,777,042.20 = 118,009,040.40/x
  3. Step 3: Cross multiply
    131,557,942.80x = 196,777,042.20 × 118,009,040.40
  4. Step 4: Simplify right side
    131,557,942.80x = 23,221,469,922,772,304
  5. Step 5: Solve for x
    x = 23,221,469,922,772,304/131,557,942.80
  6. Step 6: Final answer
    x = 176,511,348.75

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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.