Home / 320,531,020.56-480,835,035-113,226,860.88

Finding the Fourth Proportional to 320,531,020.56, 480,835,035 and 113,226,860.88

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Solution

The fourth proportional to 320,531,020.56, 480,835,035 and 113,226,860.88 is: 169,853,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,531,020.56 : 480,835,035 = 113,226,860.88 : x
  2. Step 2: Convert to fraction form
    320,531,020.56/480,835,035 = 113,226,860.88/x
  3. Step 3: Cross multiply
    320,531,020.56x = 480,835,035 × 113,226,860.88
  4. Step 4: Simplify right side
    320,531,020.56x = 54,443,441,614,174,928
  5. Step 5: Solve for x
    x = 54,443,441,614,174,928/320,531,020.56
  6. Step 6: Final answer
    x = 169,853,892.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.