Home / 227,241,856.23-313,593,619.85-122,819,927.55

Finding the Fourth Proportional to 227,241,856.23, 313,593,619.85 and 122,819,927.55

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Solution

The fourth proportional to 227,241,856.23, 313,593,619.85 and 122,819,927.55 is: 169,491,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,241,856.23 : 313,593,619.85 = 122,819,927.55 : x
  2. Step 2: Convert to fraction form
    227,241,856.23/313,593,619.85 = 122,819,927.55/x
  3. Step 3: Cross multiply
    227,241,856.23x = 313,593,619.85 × 122,819,927.55
  4. Step 4: Simplify right side
    227,241,856.23x = 38,515,545,669,505,144
  5. Step 5: Solve for x
    x = 38,515,545,669,505,144/227,241,856.23
  6. Step 6: Final answer
    x = 169,491,423.40

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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.