Home / 165,290,181.49-228,093,611.64-89,936,819.53

Finding the Fourth Proportional to 165,290,181.49, 228,093,611.64 and 89,936,819.53

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Solution

The fourth proportional to 165,290,181.49, 228,093,611.64 and 89,936,819.53 is: 124,109,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,290,181.49 : 228,093,611.64 = 89,936,819.53 : x
  2. Step 2: Convert to fraction form
    165,290,181.49/228,093,611.64 = 89,936,819.53/x
  3. Step 3: Cross multiply
    165,290,181.49x = 228,093,611.64 × 89,936,819.53
  4. Step 4: Simplify right side
    165,290,181.49x = 20,514,013,986,012,588
  5. Step 5: Solve for x
    x = 20,514,013,986,012,588/165,290,181.49
  6. Step 6: Final answer
    x = 124,109,089.85

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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.