Home / 227,402,321.57-313,816,143.59-122,980,390.73

Finding the Fourth Proportional to 227,402,321.57, 313,816,143.59 and 122,980,390.73

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Solution

The fourth proportional to 227,402,321.57, 313,816,143.59 and 122,980,390.73 is: 169,713,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,402,321.57 : 313,816,143.59 = 122,980,390.73 : x
  2. Step 2: Convert to fraction form
    227,402,321.57/313,816,143.59 = 122,980,390.73/x
  3. Step 3: Cross multiply
    227,402,321.57x = 313,816,143.59 × 122,980,390.73
  4. Step 4: Simplify right side
    227,402,321.57x = 38,593,231,956,079,984
  5. Step 5: Solve for x
    x = 38,593,231,956,079,984/227,402,321.57
  6. Step 6: Final answer
    x = 169,713,447.47

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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.