Home / 129,366,276.20-194,049,414.30-100,455,885.80

Finding the Fourth Proportional to 129,366,276.20, 194,049,414.30 and 100,455,885.80

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Solution

The fourth proportional to 129,366,276.20, 194,049,414.30 and 100,455,885.80 is: 150,683,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,366,276.20 : 194,049,414.30 = 100,455,885.80 : x
  2. Step 2: Convert to fraction form
    129,366,276.20/194,049,414.30 = 100,455,885.80/x
  3. Step 3: Cross multiply
    129,366,276.20x = 194,049,414.30 × 100,455,885.80
  4. Step 4: Simplify right side
    129,366,276.20x = 19,493,405,802,477,688
  5. Step 5: Solve for x
    x = 19,493,405,802,477,688/129,366,276.20
  6. Step 6: Final answer
    x = 150,683,828.70

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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.