Home / 54,213,900.90-81,353,164.79-19,672,997.66

Finding the Fourth Proportional to 54,213,900.90, 81,353,164.79 and 19,672,997.66

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Solution

The fourth proportional to 54,213,900.90, 81,353,164.79 and 19,672,997.66 is: 29,521,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,213,900.90 : 81,353,164.79 = 19,672,997.66 : x
  2. Step 2: Convert to fraction form
    54,213,900.90/81,353,164.79 = 19,672,997.66/x
  3. Step 3: Cross multiply
    54,213,900.90x = 81,353,164.79 × 19,672,997.66
  4. Step 4: Simplify right side
    54,213,900.90x = 1,600,460,620,952,367
  5. Step 5: Solve for x
    x = 1,600,460,620,952,367/54,213,900.90
  6. Step 6: Final answer
    x = 29,521,222.31

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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.