Home / 120,297,001.84-165,981,397.44-68,086,039.12

Finding the Fourth Proportional to 120,297,001.84, 165,981,397.44 and 68,086,039.12

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Solution

The fourth proportional to 120,297,001.84, 165,981,397.44 and 68,086,039.12 is: 93,942,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,297,001.84 : 165,981,397.44 = 68,086,039.12 : x
  2. Step 2: Convert to fraction form
    120,297,001.84/165,981,397.44 = 68,086,039.12/x
  3. Step 3: Cross multiply
    120,297,001.84x = 165,981,397.44 × 68,086,039.12
  4. Step 4: Simplify right side
    120,297,001.84x = 11,301,015,919,292,108
  5. Step 5: Solve for x
    x = 11,301,015,919,292,108/120,297,001.84
  6. Step 6: Final answer
    x = 93,942,623.23

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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.