Home / 100,080,249.12-138,106,708.56-58,265,517.83

Finding the Fourth Proportional to 100,080,249.12, 138,106,708.56 and 58,265,517.83

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Solution

The fourth proportional to 100,080,249.12, 138,106,708.56 and 58,265,517.83 is: 80,404,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,080,249.12 : 138,106,708.56 = 58,265,517.83 : x
  2. Step 2: Convert to fraction form
    100,080,249.12/138,106,708.56 = 58,265,517.83/x
  3. Step 3: Cross multiply
    100,080,249.12x = 138,106,708.56 × 58,265,517.83
  4. Step 4: Simplify right side
    100,080,249.12x = 8,046,858,889,354,761
  5. Step 5: Solve for x
    x = 8,046,858,889,354,761/100,080,249.12
  6. Step 6: Final answer
    x = 80,404,065.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.