Home / 161,590,374.30-222,996,143.43-91,980,237.90

Finding the Fourth Proportional to 161,590,374.30, 222,996,143.43 and 91,980,237.90

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Solution

The fourth proportional to 161,590,374.30, 222,996,143.43 and 91,980,237.90 is: 126,933,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,590,374.30 : 222,996,143.43 = 91,980,237.90 : x
  2. Step 2: Convert to fraction form
    161,590,374.30/222,996,143.43 = 91,980,237.90/x
  3. Step 3: Cross multiply
    161,590,374.30x = 222,996,143.43 × 91,980,237.90
  4. Step 4: Simplify right side
    161,590,374.30x = 20,511,238,323,473,924
  5. Step 5: Solve for x
    x = 20,511,238,323,473,924/161,590,374.30
  6. Step 6: Final answer
    x = 126,933,540.52

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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.