Home / 129,473,982.40-194,285,623.20-48,752,881.60

Finding the Fourth Proportional to 129,473,982.40, 194,285,623.20 and 48,752,881.60

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Solution

The fourth proportional to 129,473,982.40, 194,285,623.20 and 48,752,881.60 is: 73,157,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,473,982.40 : 194,285,623.20 = 48,752,881.60 : x
  2. Step 2: Convert to fraction form
    129,473,982.40/194,285,623.20 = 48,752,881.60/x
  3. Step 3: Cross multiply
    129,473,982.40x = 194,285,623.20 × 48,752,881.60
  4. Step 4: Simplify right side
    129,473,982.40x = 9,471,983,984,451,812
  5. Step 5: Solve for x
    x = 9,471,983,984,451,812/129,473,982.40
  6. Step 6: Final answer
    x = 73,157,431.39

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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.