Home / 165,476,873.57-228,374,215.37-123,588,215.54

Finding the Fourth Proportional to 165,476,873.57, 228,374,215.37 and 123,588,215.54

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Solution

The fourth proportional to 165,476,873.57, 228,374,215.37 and 123,588,215.54 is: 170,563,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,476,873.57 : 228,374,215.37 = 123,588,215.54 : x
  2. Step 2: Convert to fraction form
    165,476,873.57/228,374,215.37 = 123,588,215.54/x
  3. Step 3: Cross multiply
    165,476,873.57x = 228,374,215.37 × 123,588,215.54
  4. Step 4: Simplify right side
    165,476,873.57x = 28,224,361,754,466,300
  5. Step 5: Solve for x
    x = 28,224,361,754,466,300/165,476,873.57
  6. Step 6: Final answer
    x = 170,563,784.20

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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.