Home / 275,606,049.51-413,489,786.18-81,522,633.06

Finding the Fourth Proportional to 275,606,049.51, 413,489,786.18 and 81,522,633.06

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Solution

The fourth proportional to 275,606,049.51, 413,489,786.18 and 81,522,633.06 is: 122,307,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,606,049.51 : 413,489,786.18 = 81,522,633.06 : x
  2. Step 2: Convert to fraction form
    275,606,049.51/413,489,786.18 = 81,522,633.06/x
  3. Step 3: Cross multiply
    275,606,049.51x = 413,489,786.18 × 81,522,633.06
  4. Step 4: Simplify right side
    275,606,049.51x = 33,708,776,112,402,388
  5. Step 5: Solve for x
    x = 33,708,776,112,402,388/275,606,049.51
  6. Step 6: Final answer
    x = 122,307,823.69

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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.