Home / 68,730,112.88-103,284,127.80-64,236,090.32

Finding the Fourth Proportional to 68,730,112.88, 103,284,127.80 and 64,236,090.32

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Solution

The fourth proportional to 68,730,112.88, 103,284,127.80 and 64,236,090.32 is: 96,530,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,730,112.88 : 103,284,127.80 = 64,236,090.32 : x
  2. Step 2: Convert to fraction form
    68,730,112.88/103,284,127.80 = 64,236,090.32/x
  3. Step 3: Cross multiply
    68,730,112.88x = 103,284,127.80 × 64,236,090.32
  4. Step 4: Simplify right side
    68,730,112.88x = 6,634,568,561,983,223
  5. Step 5: Solve for x
    x = 6,634,568,561,983,223/68,730,112.88
  6. Step 6: Final answer
    x = 96,530,738.62

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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.