Home / 411,800,919.37-617,700,857.41-105,093,039.13

Finding the Fourth Proportional to 411,800,919.37, 617,700,857.41 and 105,093,039.13

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Solution

The fourth proportional to 411,800,919.37, 617,700,857.41 and 105,093,039.13 is: 157,639,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,800,919.37 : 617,700,857.41 = 105,093,039.13 : x
  2. Step 2: Convert to fraction form
    411,800,919.37/617,700,857.41 = 105,093,039.13/x
  3. Step 3: Cross multiply
    411,800,919.37x = 617,700,857.41 × 105,093,039.13
  4. Step 4: Simplify right side
    411,800,919.37x = 64,916,060,377,007,632
  5. Step 5: Solve for x
    x = 64,916,060,377,007,632/411,800,919.37
  6. Step 6: Final answer
    x = 157,639,425.57

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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.