Home / 227,086,068.28-313,378,911.51-122,664,185.73

Finding the Fourth Proportional to 227,086,068.28, 313,378,911.51 and 122,664,185.73

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Solution

The fourth proportional to 227,086,068.28, 313,378,911.51 and 122,664,185.73 is: 169,276,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,086,068.28 : 313,378,911.51 = 122,664,185.73 : x
  2. Step 2: Convert to fraction form
    227,086,068.28/313,378,911.51 = 122,664,185.73/x
  3. Step 3: Cross multiply
    227,086,068.28x = 313,378,911.51 × 122,664,185.73
  4. Step 4: Simplify right side
    227,086,068.28x = 38,440,369,006,963,040
  5. Step 5: Solve for x
    x = 38,440,369,006,963,040/227,086,068.28
  6. Step 6: Final answer
    x = 169,276,650.47

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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.