Home / 268,802,150.20-402,919,790.10-104,976,604.60

Finding the Fourth Proportional to 268,802,150.20, 402,919,790.10 and 104,976,604.60

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Solution

The fourth proportional to 268,802,150.20, 402,919,790.10 and 104,976,604.60 is: 157,354,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,802,150.20 : 402,919,790.10 = 104,976,604.60 : x
  2. Step 2: Convert to fraction form
    268,802,150.20/402,919,790.10 = 104,976,604.60/x
  3. Step 3: Cross multiply
    268,802,150.20x = 402,919,790.10 × 104,976,604.60
  4. Step 4: Simplify right side
    268,802,150.20x = 42,297,151,490,842,696
  5. Step 5: Solve for x
    x = 42,297,151,490,842,696/268,802,150.20
  6. Step 6: Final answer
    x = 157,354,215.58

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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.