Home / 70,247,800.82-105,371,110.13-54,907,993.28

Finding the Fourth Proportional to 70,247,800.82, 105,371,110.13 and 54,907,993.28

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Solution

The fourth proportional to 70,247,800.82, 105,371,110.13 and 54,907,993.28 is: 82,361,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,247,800.82 : 105,371,110.13 = 54,907,993.28 : x
  2. Step 2: Convert to fraction form
    70,247,800.82/105,371,110.13 = 54,907,993.28/x
  3. Step 3: Cross multiply
    70,247,800.82x = 105,371,110.13 × 54,907,993.28
  4. Step 4: Simplify right side
    70,247,800.82x = 5,785,716,206,913,068
  5. Step 5: Solve for x
    x = 5,785,716,206,913,068/70,247,800.82
  6. Step 6: Final answer
    x = 82,361,527.89

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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.