Home / 231,863,999.70-347,795,999.55-220,526,591.70

Finding the Fourth Proportional to 231,863,999.70, 347,795,999.55 and 220,526,591.70

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Solution

The fourth proportional to 231,863,999.70, 347,795,999.55 and 220,526,591.70 is: 330,789,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,863,999.70 : 347,795,999.55 = 220,526,591.70 : x
  2. Step 2: Convert to fraction form
    231,863,999.70/347,795,999.55 = 220,526,591.70/x
  3. Step 3: Cross multiply
    231,863,999.70x = 347,795,999.55 × 220,526,591.70
  4. Step 4: Simplify right side
    231,863,999.70x = 76,698,266,387,656,240
  5. Step 5: Solve for x
    x = 76,698,266,387,656,240/231,863,999.70
  6. Step 6: Final answer
    x = 330,789,887.55

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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.