Home / 129,965,354.20-194,946,527.22-31,597,618.60

Finding the Fourth Proportional to 129,965,354.20, 194,946,527.22 and 31,597,618.60

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Solution

The fourth proportional to 129,965,354.20, 194,946,527.22 and 31,597,618.60 is: 47,396,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965,354.20 : 194,946,527.22 = 31,597,618.60 : x
  2. Step 2: Convert to fraction form
    129,965,354.20/194,946,527.22 = 31,597,618.60/x
  3. Step 3: Cross multiply
    129,965,354.20x = 194,946,527.22 × 31,597,618.60
  4. Step 4: Simplify right side
    129,965,354.20x = 6,159,846,014,492,079
  5. Step 5: Solve for x
    x = 6,159,846,014,492,079/129,965,354.20
  6. Step 6: Final answer
    x = 47,396,062.22

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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.