Home / 231,754,937.60-347,632,406.40-206,224,774.40

Finding the Fourth Proportional to 231,754,937.60, 347,632,406.40 and 206,224,774.40

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Solution

The fourth proportional to 231,754,937.60, 347,632,406.40 and 206,224,774.40 is: 309,337,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,754,937.60 : 347,632,406.40 = 206,224,774.40 : x
  2. Step 2: Convert to fraction form
    231,754,937.60/347,632,406.40 = 206,224,774.40/x
  3. Step 3: Cross multiply
    231,754,937.60x = 347,632,406.40 × 206,224,774.40
  4. Step 4: Simplify right side
    231,754,937.60x = 71,690,414,583,969,112
  5. Step 5: Solve for x
    x = 71,690,414,583,969,112/231,754,937.60
  6. Step 6: Final answer
    x = 309,337,161.60

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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.