Home / 306,163,891.62-459,247,667.31-76,132,976.31

Finding the Fourth Proportional to 306,163,891.62, 459,247,667.31 and 76,132,976.31

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Solution

The fourth proportional to 306,163,891.62, 459,247,667.31 and 76,132,976.31 is: 114,199,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,163,891.62 : 459,247,667.31 = 76,132,976.31 : x
  2. Step 2: Convert to fraction form
    306,163,891.62/459,247,667.31 = 76,132,976.31/x
  3. Step 3: Cross multiply
    306,163,891.62x = 459,247,667.31 × 76,132,976.31
  4. Step 4: Simplify right side
    306,163,891.62x = 34,963,891,775,734,992
  5. Step 5: Solve for x
    x = 34,963,891,775,734,992/306,163,891.62
  6. Step 6: Final answer
    x = 114,199,919.50

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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.