Home / 155,558,583.54-214,673,096.61-85,945,565.70

Finding the Fourth Proportional to 155,558,583.54, 214,673,096.61 and 85,945,565.70

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Solution

The fourth proportional to 155,558,583.54, 214,673,096.61 and 85,945,565.70 is: 118,606,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,558,583.54 : 214,673,096.61 = 85,945,565.70 : x
  2. Step 2: Convert to fraction form
    155,558,583.54/214,673,096.61 = 85,945,565.70/x
  3. Step 3: Cross multiply
    155,558,583.54x = 214,673,096.61 × 85,945,565.70
  4. Step 4: Simplify right side
    155,558,583.54x = 18,450,200,728,717,204
  5. Step 5: Solve for x
    x = 18,450,200,728,717,204/155,558,583.54
  6. Step 6: Final answer
    x = 118,606,124.51

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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.