Home / 209,374,407.51-313,916,174.40-92,726,198.97

Finding the Fourth Proportional to 209,374,407.51, 313,916,174.40 and 92,726,198.97

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Solution

The fourth proportional to 209,374,407.51, 313,916,174.40 and 92,726,198.97 is: 139,024,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,374,407.51 : 313,916,174.40 = 92,726,198.97 : x
  2. Step 2: Convert to fraction form
    209,374,407.51/313,916,174.40 = 92,726,198.97/x
  3. Step 3: Cross multiply
    209,374,407.51x = 313,916,174.40 × 92,726,198.97
  4. Step 4: Simplify right side
    209,374,407.51x = 29,108,253,647,315,616
  5. Step 5: Solve for x
    x = 29,108,253,647,315,616/209,374,407.51
  6. Step 6: Final answer
    x = 139,024,888.45

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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.