Home / 55,039,238.70-75,954,198-30,259,847.15

Finding the Fourth Proportional to 55,039,238.70, 75,954,198 and 30,259,847.15

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Solution

The fourth proportional to 55,039,238.70, 75,954,198 and 30,259,847.15 is: 41,758,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,039,238.70 : 75,954,198 = 30,259,847.15 : x
  2. Step 2: Convert to fraction form
    55,039,238.70/75,954,198 = 30,259,847.15/x
  3. Step 3: Cross multiply
    55,039,238.70x = 75,954,198 × 30,259,847.15
  4. Step 4: Simplify right side
    55,039,238.70x = 2,298,362,421,501,064.50
  5. Step 5: Solve for x
    x = 2,298,362,421,501,064.50/55,039,238.70
  6. Step 6: Final answer
    x = 41,758,615.78

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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.