Home / 123,568,712.90-170,524,824.18-68,573,419.46

Finding the Fourth Proportional to 123,568,712.90, 170,524,824.18 and 68,573,419.46

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Solution

The fourth proportional to 123,568,712.90, 170,524,824.18 and 68,573,419.46 is: 94,631,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,568,712.90 : 170,524,824.18 = 68,573,419.46 : x
  2. Step 2: Convert to fraction form
    123,568,712.90/170,524,824.18 = 68,573,419.46/x
  3. Step 3: Cross multiply
    123,568,712.90x = 170,524,824.18 × 68,573,419.46
  4. Step 4: Simplify right side
    123,568,712.90x = 11,693,470,296,837,890
  5. Step 5: Solve for x
    x = 11,693,470,296,837,890/123,568,712.90
  6. Step 6: Final answer
    x = 94,631,319.06

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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.