Home / 69,133,370.82-103,632,655.39-27,621,870.76

Finding the Fourth Proportional to 69,133,370.82, 103,632,655.39 and 27,621,870.76

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Solution

The fourth proportional to 69,133,370.82, 103,632,655.39 and 27,621,870.76 is: 41,405,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,133,370.82 : 103,632,655.39 = 27,621,870.76 : x
  2. Step 2: Convert to fraction form
    69,133,370.82/103,632,655.39 = 27,621,870.76/x
  3. Step 3: Cross multiply
    69,133,370.82x = 103,632,655.39 × 27,621,870.76
  4. Step 4: Simplify right side
    69,133,370.82x = 2,862,527,813,758,683.50
  5. Step 5: Solve for x
    x = 2,862,527,813,758,683.50/69,133,370.82
  6. Step 6: Final answer
    x = 41,405,876.50

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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.