Home / 137,789,785,529.70-206,684,678,294.55-109,895,510,321.70

Finding the Fourth Proportional to 137,789,785,529.70, 206,684,678,294.55 and 109,895,510,321.70

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Solution

The fourth proportional to 137,789,785,529.70, 206,684,678,294.55 and 109,895,510,321.70 is: 164,843,265,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,789,785,529.70 : 206,684,678,294.55 = 109,895,510,321.70 : x
  2. Step 2: Convert to fraction form
    137,789,785,529.70/206,684,678,294.55 = 109,895,510,321.70/x
  3. Step 3: Cross multiply
    137,789,785,529.70x = 206,684,678,294.55 × 109,895,510,321.70
  4. Step 4: Simplify right side
    137,789,785,529.70x = 22,713,718,196,855,963,123,712
  5. Step 5: Solve for x
    x = 22,713,718,196,855,963,123,712/137,789,785,529.70
  6. Step 6: Final answer
    x = 164,843,265,482.55

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Double scale
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1.5x scale

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.