Home / 373,441,749.33-515,339,340.40-206,174,971.02

Finding the Fourth Proportional to 373,441,749.33, 515,339,340.40 and 206,174,971.02

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Solution

The fourth proportional to 373,441,749.33, 515,339,340.40 and 206,174,971.02 is: 284,515,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,441,749.33 : 515,339,340.40 = 206,174,971.02 : x
  2. Step 2: Convert to fraction form
    373,441,749.33/515,339,340.40 = 206,174,971.02/x
  3. Step 3: Cross multiply
    373,441,749.33x = 515,339,340.40 × 206,174,971.02
  4. Step 4: Simplify right side
    373,441,749.33x = 106,250,073,572,435,920
  5. Step 5: Solve for x
    x = 106,250,073,572,435,920/373,441,749.33
  6. Step 6: Final answer
    x = 284,515,787.97

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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.