Home / 222,269,946.39-306,839,150.46-156,247,040.79

Finding the Fourth Proportional to 222,269,946.39, 306,839,150.46 and 156,247,040.79

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Solution

The fourth proportional to 222,269,946.39, 306,839,150.46 and 156,247,040.79 is: 215,695,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,269,946.39 : 306,839,150.46 = 156,247,040.79 : x
  2. Step 2: Convert to fraction form
    222,269,946.39/306,839,150.46 = 156,247,040.79/x
  3. Step 3: Cross multiply
    222,269,946.39x = 306,839,150.46 × 156,247,040.79
  4. Step 4: Simplify right side
    222,269,946.39x = 47,942,709,257,892,560
  5. Step 5: Solve for x
    x = 47,942,709,257,892,560/222,269,946.39
  6. Step 6: Final answer
    x = 215,695,869.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.