Home / 227,084,007.21-313,376,056.04-122,662,079.56

Finding the Fourth Proportional to 227,084,007.21, 313,376,056.04 and 122,662,079.56

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Solution

The fourth proportional to 227,084,007.21, 313,376,056.04 and 122,662,079.56 is: 169,273,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,084,007.21 : 313,376,056.04 = 122,662,079.56 : x
  2. Step 2: Convert to fraction form
    227,084,007.21/313,376,056.04 = 122,662,079.56/x
  3. Step 3: Cross multiply
    227,084,007.21x = 313,376,056.04 × 122,662,079.56
  4. Step 4: Simplify right side
    227,084,007.21x = 38,439,358,718,177,504
  5. Step 5: Solve for x
    x = 38,439,358,718,177,504/227,084,007.21
  6. Step 6: Final answer
    x = 169,273,737.90

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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.