Home / 129,734,610.40-194,601,915.60-43,444,338.40

Finding the Fourth Proportional to 129,734,610.40, 194,601,915.60 and 43,444,338.40

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Solution

The fourth proportional to 129,734,610.40, 194,601,915.60 and 43,444,338.40 is: 65,166,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,734,610.40 : 194,601,915.60 = 43,444,338.40 : x
  2. Step 2: Convert to fraction form
    129,734,610.40/194,601,915.60 = 43,444,338.40/x
  3. Step 3: Cross multiply
    129,734,610.40x = 194,601,915.60 × 43,444,338.40
  4. Step 4: Simplify right side
    129,734,610.40x = 8,454,351,474,614,638
  5. Step 5: Solve for x
    x = 8,454,351,474,614,638/129,734,610.40
  6. Step 6: Final answer
    x = 65,166,507.60

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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.