Home / 51,665,591.96-77,501,216.48-20,955,611.60

Finding the Fourth Proportional to 51,665,591.96, 77,501,216.48 and 20,955,611.60

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Solution

The fourth proportional to 51,665,591.96, 77,501,216.48 and 20,955,611.60 is: 31,434,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,665,591.96 : 77,501,216.48 = 20,955,611.60 : x
  2. Step 2: Convert to fraction form
    51,665,591.96/77,501,216.48 = 20,955,611.60/x
  3. Step 3: Cross multiply
    51,665,591.96x = 77,501,216.48 × 20,955,611.60
  4. Step 4: Simplify right side
    51,665,591.96x = 1,624,085,391,082,399.25
  5. Step 5: Solve for x
    x = 1,624,085,391,082,399.25/51,665,591.96
  6. Step 6: Final answer
    x = 31,434,564.66

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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.