Home / 89,813,183,089.28-123,942,195,107.83-49,715,162,477.77

Finding the Fourth Proportional to 89,813,183,089.28, 123,942,195,107.83 and 49,715,162,477.77

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Solution

The fourth proportional to 89,813,183,089.28, 123,942,195,107.83 and 49,715,162,477.77 is: 68,606,925,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,813,183,089.28 : 123,942,195,107.83 = 49,715,162,477.77 : x
  2. Step 2: Convert to fraction form
    89,813,183,089.28/123,942,195,107.83 = 49,715,162,477.77/x
  3. Step 3: Cross multiply
    89,813,183,089.28x = 123,942,195,107.83 × 49,715,162,477.77
  4. Step 4: Simplify right side
    89,813,183,089.28x = 6,161,806,367,637,363,490,816
  5. Step 5: Solve for x
    x = 6,161,806,367,637,363,490,816/89,813,183,089.28
  6. Step 6: Final answer
    x = 68,606,925,572.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.