Home / 56,388,372.55-77,820,712.70-31,608,163.27

Finding the Fourth Proportional to 56,388,372.55, 77,820,712.70 and 31,608,163.27

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Solution

The fourth proportional to 56,388,372.55, 77,820,712.70 and 31,608,163.27 is: 43,621,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,388,372.55 : 77,820,712.70 = 31,608,163.27 : x
  2. Step 2: Convert to fraction form
    56,388,372.55/77,820,712.70 = 31,608,163.27/x
  3. Step 3: Cross multiply
    56,388,372.55x = 77,820,712.70 × 31,608,163.27
  4. Step 4: Simplify right side
    56,388,372.55x = 2,459,769,792,809,362.50
  5. Step 5: Solve for x
    x = 2,459,769,792,809,362.50/56,388,372.55
  6. Step 6: Final answer
    x = 43,621,932.71

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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.