Home / 129,494,541.20-194,241,811.80-100,584,150.80

Finding the Fourth Proportional to 129,494,541.20, 194,241,811.80 and 100,584,150.80

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Solution

The fourth proportional to 129,494,541.20, 194,241,811.80 and 100,584,150.80 is: 150,876,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,494,541.20 : 194,241,811.80 = 100,584,150.80 : x
  2. Step 2: Convert to fraction form
    129,494,541.20/194,241,811.80 = 100,584,150.80/x
  3. Step 3: Cross multiply
    129,494,541.20x = 194,241,811.80 × 100,584,150.80
  4. Step 4: Simplify right side
    129,494,541.20x = 19,537,647,689,756,420
  5. Step 5: Solve for x
    x = 19,537,647,689,756,420/129,494,541.20
  6. Step 6: Final answer
    x = 150,876,226.20

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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.