Home / 320,007,121.89-480,007,183.64-77,670,025.89

Finding the Fourth Proportional to 320,007,121.89, 480,007,183.64 and 77,670,025.89

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Solution

The fourth proportional to 320,007,121.89, 480,007,183.64 and 77,670,025.89 is: 116,504,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,007,121.89 : 480,007,183.64 = 77,670,025.89 : x
  2. Step 2: Convert to fraction form
    320,007,121.89/480,007,183.64 = 77,670,025.89/x
  3. Step 3: Cross multiply
    320,007,121.89x = 480,007,183.64 × 77,670,025.89
  4. Step 4: Simplify right side
    320,007,121.89x = 37,282,170,380,316,432
  5. Step 5: Solve for x
    x = 37,282,170,380,316,432/320,007,121.89
  6. Step 6: Final answer
    x = 116,504,189.53

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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.