Home / 293,642,298.28-405,236,770.50-161,493,523.12

Finding the Fourth Proportional to 293,642,298.28, 405,236,770.50 and 161,493,523.12

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Solution

The fourth proportional to 293,642,298.28, 405,236,770.50 and 161,493,523.12 is: 222,866,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,642,298.28 : 405,236,770.50 = 161,493,523.12 : x
  2. Step 2: Convert to fraction form
    293,642,298.28/405,236,770.50 = 161,493,523.12/x
  3. Step 3: Cross multiply
    293,642,298.28x = 405,236,770.50 × 161,493,523.12
  4. Step 4: Simplify right side
    293,642,298.28x = 65,443,113,765,815,888
  5. Step 5: Solve for x
    x = 65,443,113,765,815,888/293,642,298.28
  6. Step 6: Final answer
    x = 222,866,780.94

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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.