Home / 231,128,470.80-346,744,027.80-77,770,198.80

Finding the Fourth Proportional to 231,128,470.80, 346,744,027.80 and 77,770,198.80

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Solution

The fourth proportional to 231,128,470.80, 346,744,027.80 and 77,770,198.80 is: 116,672,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,128,470.80 : 346,744,027.80 = 77,770,198.80 : x
  2. Step 2: Convert to fraction form
    231,128,470.80/346,744,027.80 = 77,770,198.80/x
  3. Step 3: Cross multiply
    231,128,470.80x = 346,744,027.80 × 77,770,198.80
  4. Step 4: Simplify right side
    231,128,470.80x = 26,966,351,974,718,728
  5. Step 5: Solve for x
    x = 26,966,351,974,718,728/231,128,470.80
  6. Step 6: Final answer
    x = 116,672,566.91

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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.