Home / 218,269,936.60-327,404,904.90-103,478,680.60

Finding the Fourth Proportional to 218,269,936.60, 327,404,904.90 and 103,478,680.60

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Solution

The fourth proportional to 218,269,936.60, 327,404,904.90 and 103,478,680.60 is: 155,218,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,269,936.60 : 327,404,904.90 = 103,478,680.60 : x
  2. Step 2: Convert to fraction form
    218,269,936.60/327,404,904.90 = 103,478,680.60/x
  3. Step 3: Cross multiply
    218,269,936.60x = 327,404,904.90 × 103,478,680.60
  4. Step 4: Simplify right side
    218,269,936.60x = 33,879,427,581,020,472
  5. Step 5: Solve for x
    x = 33,879,427,581,020,472/218,269,936.60
  6. Step 6: Final answer
    x = 155,218,020.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.