Home / 129,965,353.20-194,946,525.72-31,597,617.60

Finding the Fourth Proportional to 129,965,353.20, 194,946,525.72 and 31,597,617.60

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Solution

The fourth proportional to 129,965,353.20, 194,946,525.72 and 31,597,617.60 is: 47,396,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965,353.20 : 194,946,525.72 = 31,597,617.60 : x
  2. Step 2: Convert to fraction form
    129,965,353.20/194,946,525.72 = 31,597,617.60/x
  3. Step 3: Cross multiply
    129,965,353.20x = 194,946,525.72 × 31,597,617.60
  4. Step 4: Simplify right side
    129,965,353.20x = 6,159,845,772,149,125
  5. Step 5: Solve for x
    x = 6,159,845,772,149,125/129,965,353.20
  6. Step 6: Final answer
    x = 47,396,060.72

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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.