Home / 268,544,054.40-402,981,969.60-106,969,142.40

Finding the Fourth Proportional to 268,544,054.40, 402,981,969.60 and 106,969,142.40

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Solution

The fourth proportional to 268,544,054.40, 402,981,969.60 and 106,969,142.40 is: 160,519,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,544,054.40 : 402,981,969.60 = 106,969,142.40 : x
  2. Step 2: Convert to fraction form
    268,544,054.40/402,981,969.60 = 106,969,142.40/x
  3. Step 3: Cross multiply
    268,544,054.40x = 402,981,969.60 × 106,969,142.40
  4. Step 4: Simplify right side
    268,544,054.40x = 43,106,635,690,774,872
  5. Step 5: Solve for x
    x = 43,106,635,690,774,872/268,544,054.40
  6. Step 6: Final answer
    x = 160,519,791.76

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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.