Home / 221,238,227.21-305,308,783.44-122,118,993.31

Finding the Fourth Proportional to 221,238,227.21, 305,308,783.44 and 122,118,993.31

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Solution

The fourth proportional to 221,238,227.21, 305,308,783.44 and 122,118,993.31 is: 168,524,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,238,227.21 : 305,308,783.44 = 122,118,993.31 : x
  2. Step 2: Convert to fraction form
    221,238,227.21/305,308,783.44 = 122,118,993.31/x
  3. Step 3: Cross multiply
    221,238,227.21x = 305,308,783.44 × 122,118,993.31
  4. Step 4: Simplify right side
    221,238,227.21x = 37,284,001,281,019,736
  5. Step 5: Solve for x
    x = 37,284,001,281,019,736/221,238,227.21
  6. Step 6: Final answer
    x = 168,524,227.26

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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.