Home / 165,476,900.64-228,374,252.72-123,588,242.64

Finding the Fourth Proportional to 165,476,900.64, 228,374,252.72 and 123,588,242.64

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Solution

The fourth proportional to 165,476,900.64, 228,374,252.72 and 123,588,242.64 is: 170,563,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,476,900.64 : 228,374,252.72 = 123,588,242.64 : x
  2. Step 2: Convert to fraction form
    165,476,900.64/228,374,252.72 = 123,588,242.64/x
  3. Step 3: Cross multiply
    165,476,900.64x = 228,374,252.72 × 123,588,242.64
  4. Step 4: Simplify right side
    165,476,900.64x = 28,224,372,557,888,040
  5. Step 5: Solve for x
    x = 28,224,372,557,888,040/165,476,900.64
  6. Step 6: Final answer
    x = 170,563,821.59

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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.