Home / 217,444,045.36-326,165,977.32-79,279,999.60

Finding the Fourth Proportional to 217,444,045.36, 326,165,977.32 and 79,279,999.60

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Solution

The fourth proportional to 217,444,045.36, 326,165,977.32 and 79,279,999.60 is: 118,919,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,444,045.36 : 326,165,977.32 = 79,279,999.60 : x
  2. Step 2: Convert to fraction form
    217,444,045.36/326,165,977.32 = 79,279,999.60/x
  3. Step 3: Cross multiply
    217,444,045.36x = 326,165,977.32 × 79,279,999.60
  4. Step 4: Simplify right side
    217,444,045.36x = 25,858,438,551,463,208
  5. Step 5: Solve for x
    x = 25,858,438,551,463,208/217,444,045.36
  6. Step 6: Final answer
    x = 118,919,966.32

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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.