Home / 159,314,869.40-238,972,304.10-109,997,144.60

Finding the Fourth Proportional to 159,314,869.40, 238,972,304.10 and 109,997,144.60

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Solution

The fourth proportional to 159,314,869.40, 238,972,304.10 and 109,997,144.60 is: 164,995,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,314,869.40 : 238,972,304.10 = 109,997,144.60 : x
  2. Step 2: Convert to fraction form
    159,314,869.40/238,972,304.10 = 109,997,144.60/x
  3. Step 3: Cross multiply
    159,314,869.40x = 238,972,304.10 × 109,997,144.60
  4. Step 4: Simplify right side
    159,314,869.40x = 26,286,271,089,482,872
  5. Step 5: Solve for x
    x = 26,286,271,089,482,872/159,314,869.40
  6. Step 6: Final answer
    x = 164,995,716.90

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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.