Home / 321,062,383.60-443,058,552.88-188,911,939.03

Finding the Fourth Proportional to 321,062,383.60, 443,058,552.88 and 188,911,939.03

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Solution

The fourth proportional to 321,062,383.60, 443,058,552.88 and 188,911,939.03 is: 260,694,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,062,383.60 : 443,058,552.88 = 188,911,939.03 : x
  2. Step 2: Convert to fraction form
    321,062,383.60/443,058,552.88 = 188,911,939.03/x
  3. Step 3: Cross multiply
    321,062,383.60x = 443,058,552.88 × 188,911,939.03
  4. Step 4: Simplify right side
    321,062,383.60x = 83,699,050,326,806,672
  5. Step 5: Solve for x
    x = 83,699,050,326,806,672/321,062,383.60
  6. Step 6: Final answer
    x = 260,694,041.42

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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.