Home / 268,802,154.20-402,919,796.10-104,976,608.60

Finding the Fourth Proportional to 268,802,154.20, 402,919,796.10 and 104,976,608.60

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Solution

The fourth proportional to 268,802,154.20, 402,919,796.10 and 104,976,608.60 is: 157,354,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,802,154.20 : 402,919,796.10 = 104,976,608.60 : x
  2. Step 2: Convert to fraction form
    268,802,154.20/402,919,796.10 = 104,976,608.60/x
  3. Step 3: Cross multiply
    268,802,154.20x = 402,919,796.10 × 104,976,608.60
  4. Step 4: Simplify right side
    268,802,154.20x = 42,297,153,732,381,504
  5. Step 5: Solve for x
    x = 42,297,153,732,381,504/268,802,154.20
  6. Step 6: Final answer
    x = 157,354,221.58

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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.