Home / 112,422,471.21-155,131,066.37-62,178,705.73

Finding the Fourth Proportional to 112,422,471.21, 155,131,066.37 and 62,178,705.73

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Solution

The fourth proportional to 112,422,471.21, 155,131,066.37 and 62,178,705.73 is: 85,800,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,422,471.21 : 155,131,066.37 = 62,178,705.73 : x
  2. Step 2: Convert to fraction form
    112,422,471.21/155,131,066.37 = 62,178,705.73/x
  3. Step 3: Cross multiply
    112,422,471.21x = 155,131,066.37 × 62,178,705.73
  4. Step 4: Simplify right side
    112,422,471.21x = 9,645,848,925,401,330
  5. Step 5: Solve for x
    x = 9,645,848,925,401,330/112,422,471.21
  6. Step 6: Final answer
    x = 85,800,007.97

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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.