Home / 351,392,112.72-527,085,515.16-105,747,690

Finding the Fourth Proportional to 351,392,112.72, 527,085,515.16 and 105,747,690

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Solution

The fourth proportional to 351,392,112.72, 527,085,515.16 and 105,747,690 is: 158,620,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,392,112.72 : 527,085,515.16 = 105,747,690 : x
  2. Step 2: Convert to fraction form
    351,392,112.72/527,085,515.16 = 105,747,690/x
  3. Step 3: Cross multiply
    351,392,112.72x = 527,085,515.16 × 105,747,690
  4. Step 4: Simplify right side
    351,392,112.72x = 55,738,075,660,629,984
  5. Step 5: Solve for x
    x = 55,738,075,660,629,984/351,392,112.72
  6. Step 6: Final answer
    x = 158,620,736.33

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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.