Home / 45,318,447.20-67,977,608.54-21,044,100.11

Finding the Fourth Proportional to 45,318,447.20, 67,977,608.54 and 21,044,100.11

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Solution

The fourth proportional to 45,318,447.20, 67,977,608.54 and 21,044,100.11 is: 31,566,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318,447.20 : 67,977,608.54 = 21,044,100.11 : x
  2. Step 2: Convert to fraction form
    45,318,447.20/67,977,608.54 = 21,044,100.11/x
  3. Step 3: Cross multiply
    45,318,447.20x = 67,977,608.54 × 21,044,100.11
  4. Step 4: Simplify right side
    45,318,447.20x = 1,430,527,598,909,042.25
  5. Step 5: Solve for x
    x = 1,430,527,598,909,042.25/45,318,447.20
  6. Step 6: Final answer
    x = 31,566,121.24

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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.