Home / 157,780,942.37-217,733,523.73-88,166,895.29

Finding the Fourth Proportional to 157,780,942.37, 217,733,523.73 and 88,166,895.29

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Solution

The fourth proportional to 157,780,942.37, 217,733,523.73 and 88,166,895.29 is: 121,667,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,780,942.37 : 217,733,523.73 = 88,166,895.29 : x
  2. Step 2: Convert to fraction form
    157,780,942.37/217,733,523.73 = 88,166,895.29/x
  3. Step 3: Cross multiply
    157,780,942.37x = 217,733,523.73 × 88,166,895.29
  4. Step 4: Simplify right side
    157,780,942.37x = 19,196,888,787,825,640
  5. Step 5: Solve for x
    x = 19,196,888,787,825,640/157,780,942.37
  6. Step 6: Final answer
    x = 121,667,981.57

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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.