Home / 142,118,156.58-196,015,065.30-122,304,874.26

Finding the Fourth Proportional to 142,118,156.58, 196,015,065.30 and 122,304,874.26

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Solution

The fourth proportional to 142,118,156.58, 196,015,065.30 and 122,304,874.26 is: 168,687,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,118,156.58 : 196,015,065.30 = 122,304,874.26 : x
  2. Step 2: Convert to fraction form
    142,118,156.58/196,015,065.30 = 122,304,874.26/x
  3. Step 3: Cross multiply
    142,118,156.58x = 196,015,065.30 × 122,304,874.26
  4. Step 4: Simplify right side
    142,118,156.58x = 23,973,597,914,582,192
  5. Step 5: Solve for x
    x = 23,973,597,914,582,192/142,118,156.58
  6. Step 6: Final answer
    x = 168,687,791.14

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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.