Home / 217,063,941.60-325,595,912.40-55,505,877.60

Finding the Fourth Proportional to 217,063,941.60, 325,595,912.40 and 55,505,877.60

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Solution

The fourth proportional to 217,063,941.60, 325,595,912.40 and 55,505,877.60 is: 83,258,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,063,941.60 : 325,595,912.40 = 55,505,877.60 : x
  2. Step 2: Convert to fraction form
    217,063,941.60/325,595,912.40 = 55,505,877.60/x
  3. Step 3: Cross multiply
    217,063,941.60x = 325,595,912.40 × 55,505,877.60
  4. Step 4: Simplify right side
    217,063,941.60x = 18,072,486,860,734,720
  5. Step 5: Solve for x
    x = 18,072,486,860,734,720/217,063,941.60
  6. Step 6: Final answer
    x = 83,258,816.40

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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.