Home / 132,509,261.88-198,763,943.31-132,317,780.11

Finding the Fourth Proportional to 132,509,261.88, 198,763,943.31 and 132,317,780.11

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Solution

The fourth proportional to 132,509,261.88, 198,763,943.31 and 132,317,780.11 is: 198,476,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,509,261.88 : 198,763,943.31 = 132,317,780.11 : x
  2. Step 2: Convert to fraction form
    132,509,261.88/198,763,943.31 = 132,317,780.11/x
  3. Step 3: Cross multiply
    132,509,261.88x = 198,763,943.31 × 132,317,780.11
  4. Step 4: Simplify right side
    132,509,261.88x = 26,300,003,744,192,176
  5. Step 5: Solve for x
    x = 26,300,003,744,192,176/132,509,261.88
  6. Step 6: Final answer
    x = 198,476,720.58

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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.