Home / 252,085,563.12-347,879,593.56-140,583,443.28

Finding the Fourth Proportional to 252,085,563.12, 347,879,593.56 and 140,583,443.28

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Solution

The fourth proportional to 252,085,563.12, 347,879,593.56 and 140,583,443.28 is: 194,005,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,085,563.12 : 347,879,593.56 = 140,583,443.28 : x
  2. Step 2: Convert to fraction form
    252,085,563.12/347,879,593.56 = 140,583,443.28/x
  3. Step 3: Cross multiply
    252,085,563.12x = 347,879,593.56 × 140,583,443.28
  4. Step 4: Simplify right side
    252,085,563.12x = 48,906,111,109,511,712
  5. Step 5: Solve for x
    x = 48,906,111,109,511,712/252,085,563.12
  6. Step 6: Final answer
    x = 194,005,997.42

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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.