Home / 165,476,893.65-228,374,243.08-123,588,235.63

Finding the Fourth Proportional to 165,476,893.65, 228,374,243.08 and 123,588,235.63

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Solution

The fourth proportional to 165,476,893.65, 228,374,243.08 and 123,588,235.63 is: 170,563,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,476,893.65 : 228,374,243.08 = 123,588,235.63 : x
  2. Step 2: Convert to fraction form
    165,476,893.65/228,374,243.08 = 123,588,235.63/x
  3. Step 3: Cross multiply
    165,476,893.65x = 228,374,243.08 × 123,588,235.63
  4. Step 4: Simplify right side
    165,476,893.65x = 28,224,369,765,593,936
  5. Step 5: Solve for x
    x = 28,224,369,765,593,936/165,476,893.65
  6. Step 6: Final answer
    x = 170,563,811.92

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1.5x scale

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.