Home / 125,968,665.73-173,911,327.82-111,991,414.59

Finding the Fourth Proportional to 125,968,665.73, 173,911,327.82 and 111,991,414.59

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Solution

The fourth proportional to 125,968,665.73, 173,911,327.82 and 111,991,414.59 is: 154,614,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,968,665.73 : 173,911,327.82 = 111,991,414.59 : x
  2. Step 2: Convert to fraction form
    125,968,665.73/173,911,327.82 = 111,991,414.59/x
  3. Step 3: Cross multiply
    125,968,665.73x = 173,911,327.82 × 111,991,414.59
  4. Step 4: Simplify right side
    125,968,665.73x = 19,476,575,614,777,472
  5. Step 5: Solve for x
    x = 19,476,575,614,777,472/125,968,665.73
  6. Step 6: Final answer
    x = 154,614,447.19

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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.