Home / 246,989,470.88-370,540,638.96-85,431,270.56

Finding the Fourth Proportional to 246,989,470.88, 370,540,638.96 and 85,431,270.56

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Solution

The fourth proportional to 246,989,470.88, 370,540,638.96 and 85,431,270.56 is: 128,166,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,989,470.88 : 370,540,638.96 = 85,431,270.56 : x
  2. Step 2: Convert to fraction form
    246,989,470.88/370,540,638.96 = 85,431,270.56/x
  3. Step 3: Cross multiply
    246,989,470.88x = 370,540,638.96 × 85,431,270.56
  4. Step 4: Simplify right side
    246,989,470.88x = 31,655,757,580,467,036
  5. Step 5: Solve for x
    x = 31,655,757,580,467,036/246,989,470.88
  6. Step 6: Final answer
    x = 128,166,425.34

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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.