Home / 66,793,682.18-100,224,804.50-31,818,405.44

Finding the Fourth Proportional to 66,793,682.18, 100,224,804.50 and 31,818,405.44

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Solution

The fourth proportional to 66,793,682.18, 100,224,804.50 and 31,818,405.44 is: 47,743,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,793,682.18 : 100,224,804.50 = 31,818,405.44 : x
  2. Step 2: Convert to fraction form
    66,793,682.18/100,224,804.50 = 31,818,405.44/x
  3. Step 3: Cross multiply
    66,793,682.18x = 100,224,804.50 × 31,818,405.44
  4. Step 4: Simplify right side
    66,793,682.18x = 3,188,993,464,936,525.50
  5. Step 5: Solve for x
    x = 3,188,993,464,936,525.50/66,793,682.18
  6. Step 6: Final answer
    x = 47,743,938.66

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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.