Home / 80,961,453.66-121,442,536.08-25,629,560.46

Finding the Fourth Proportional to 80,961,453.66, 121,442,536.08 and 25,629,560.46

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Solution

The fourth proportional to 80,961,453.66, 121,442,536.08 and 25,629,560.46 is: 38,444,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,961,453.66 : 121,442,536.08 = 25,629,560.46 : x
  2. Step 2: Convert to fraction form
    80,961,453.66/121,442,536.08 = 25,629,560.46/x
  3. Step 3: Cross multiply
    80,961,453.66x = 121,442,536.08 × 25,629,560.46
  4. Step 4: Simplify right side
    80,961,453.66x = 3,112,518,820,878,091.50
  5. Step 5: Solve for x
    x = 3,112,518,820,878,091.50/80,961,453.66
  6. Step 6: Final answer
    x = 38,444,453.26

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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.