Home / 268,802,122.20-402,919,748.10-104,976,576.60

Finding the Fourth Proportional to 268,802,122.20, 402,919,748.10 and 104,976,576.60

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Solution

The fourth proportional to 268,802,122.20, 402,919,748.10 and 104,976,576.60 is: 157,354,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,802,122.20 : 402,919,748.10 = 104,976,576.60 : x
  2. Step 2: Convert to fraction form
    268,802,122.20/402,919,748.10 = 104,976,576.60/x
  3. Step 3: Cross multiply
    268,802,122.20x = 402,919,748.10 × 104,976,576.60
  4. Step 4: Simplify right side
    268,802,122.20x = 42,297,135,800,072,352
  5. Step 5: Solve for x
    x = 42,297,135,800,072,352/268,802,122.20
  6. Step 6: Final answer
    x = 157,354,173.60

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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.