Home / 268,336,352.14-402,513,496.32-74,231,512.70

Finding the Fourth Proportional to 268,336,352.14, 402,513,496.32 and 74,231,512.70

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Solution

The fourth proportional to 268,336,352.14, 402,513,496.32 and 74,231,512.70 is: 111,349,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,336,352.14 : 402,513,496.32 = 74,231,512.70 : x
  2. Step 2: Convert to fraction form
    268,336,352.14/402,513,496.32 = 74,231,512.70/x
  3. Step 3: Cross multiply
    268,336,352.14x = 402,513,496.32 × 74,231,512.70
  4. Step 4: Simplify right side
    268,336,352.14x = 29,879,185,711,615,756
  5. Step 5: Solve for x
    x = 29,879,185,711,615,756/268,336,352.14
  6. Step 6: Final answer
    x = 111,349,749.94

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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.