Home / 143,786,960.80-215,680,441.20-109,774,736.80

Finding the Fourth Proportional to 143,786,960.80, 215,680,441.20 and 109,774,736.80

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Solution

The fourth proportional to 143,786,960.80, 215,680,441.20 and 109,774,736.80 is: 164,662,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,786,960.80 : 215,680,441.20 = 109,774,736.80 : x
  2. Step 2: Convert to fraction form
    143,786,960.80/215,680,441.20 = 109,774,736.80/x
  3. Step 3: Cross multiply
    143,786,960.80x = 215,680,441.20 × 109,774,736.80
  4. Step 4: Simplify right side
    143,786,960.80x = 23,676,263,665,637,876
  5. Step 5: Solve for x
    x = 23,676,263,665,637,876/143,786,960.80
  6. Step 6: Final answer
    x = 164,662,105.20

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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.