Home / 351,392,111.72-527,085,513.66-105,747,689

Finding the Fourth Proportional to 351,392,111.72, 527,085,513.66 and 105,747,689

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Solution

The fourth proportional to 351,392,111.72, 527,085,513.66 and 105,747,689 is: 158,620,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,392,111.72 : 527,085,513.66 = 105,747,689 : x
  2. Step 2: Convert to fraction form
    351,392,111.72/527,085,513.66 = 105,747,689/x
  3. Step 3: Cross multiply
    351,392,111.72x = 527,085,513.66 × 105,747,689
  4. Step 4: Simplify right side
    351,392,111.72x = 55,738,074,974,922,936
  5. Step 5: Solve for x
    x = 55,738,074,974,922,936/351,392,111.72
  6. Step 6: Final answer
    x = 158,620,734.83

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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.