Home / 315,224,560.93-472,426,706.09-128,260,618.71

Finding the Fourth Proportional to 315,224,560.93, 472,426,706.09 and 128,260,618.71

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Solution

The fourth proportional to 315,224,560.93, 472,426,706.09 and 128,260,618.71 is: 192,224,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,224,560.93 : 472,426,706.09 = 128,260,618.71 : x
  2. Step 2: Convert to fraction form
    315,224,560.93/472,426,706.09 = 128,260,618.71/x
  3. Step 3: Cross multiply
    315,224,560.93x = 472,426,706.09 × 128,260,618.71
  4. Step 4: Simplify right side
    315,224,560.93x = 60,593,741,618,230,720
  5. Step 5: Solve for x
    x = 60,593,741,618,230,720/315,224,560.93
  6. Step 6: Final answer
    x = 192,224,049.55

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