Home / 107,549,321.82-161,284,456.85-38,443,477.52

Finding the Fourth Proportional to 107,549,321.82, 161,284,456.85 and 38,443,477.52

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Solution

The fourth proportional to 107,549,321.82, 161,284,456.85 and 38,443,477.52 is: 57,651,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,549,321.82 : 161,284,456.85 = 38,443,477.52 : x
  2. Step 2: Convert to fraction form
    107,549,321.82/161,284,456.85 = 38,443,477.52/x
  3. Step 3: Cross multiply
    107,549,321.82x = 161,284,456.85 × 38,443,477.52
  4. Step 4: Simplify right side
    107,549,321.82x = 6,200,335,390,239,745
  5. Step 5: Solve for x
    x = 6,200,335,390,239,745/107,549,321.82
  6. Step 6: Final answer
    x = 57,651,087.76

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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.