Home / 411,800,922.78-617,700,862.52-105,093,042.54

Finding the Fourth Proportional to 411,800,922.78, 617,700,862.52 and 105,093,042.54

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Solution

The fourth proportional to 411,800,922.78, 617,700,862.52 and 105,093,042.54 is: 157,639,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,800,922.78 : 617,700,862.52 = 105,093,042.54 : x
  2. Step 2: Convert to fraction form
    411,800,922.78/617,700,862.52 = 105,093,042.54/x
  3. Step 3: Cross multiply
    411,800,922.78x = 617,700,862.52 × 105,093,042.54
  4. Step 4: Simplify right side
    411,800,922.78x = 64,916,063,021,809,056
  5. Step 5: Solve for x
    x = 64,916,063,021,809,056/411,800,922.78
  6. Step 6: Final answer
    x = 157,639,430.68

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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.