Home / 61,265,941.44-91,909,841.92-20,327,837.12

Finding the Fourth Proportional to 61,265,941.44, 91,909,841.92 and 20,327,837.12

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Solution

The fourth proportional to 61,265,941.44, 91,909,841.92 and 20,327,837.12 is: 30,495,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,265,941.44 : 91,909,841.92 = 20,327,837.12 : x
  2. Step 2: Convert to fraction form
    61,265,941.44/91,909,841.92 = 20,327,837.12/x
  3. Step 3: Cross multiply
    61,265,941.44x = 91,909,841.92 × 20,327,837.12
  4. Step 4: Simplify right side
    61,265,941.44x = 1,868,328,296,274,708.25
  5. Step 5: Solve for x
    x = 1,868,328,296,274,708.25/61,265,941.44
  6. Step 6: Final answer
    x = 30,495,382.14

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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.