Home / 116,999,365.28-161,511,268.30-77,330,788.44

Finding the Fourth Proportional to 116,999,365.28, 161,511,268.30 and 77,330,788.44

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Solution

The fourth proportional to 116,999,365.28, 161,511,268.30 and 77,330,788.44 is: 106,750,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,999,365.28 : 161,511,268.30 = 77,330,788.44 : x
  2. Step 2: Convert to fraction form
    116,999,365.28/161,511,268.30 = 77,330,788.44/x
  3. Step 3: Cross multiply
    116,999,365.28x = 161,511,268.30 × 77,330,788.44
  4. Step 4: Simplify right side
    116,999,365.28x = 12,489,793,719,583,378
  5. Step 5: Solve for x
    x = 12,489,793,719,583,378/116,999,365.28
  6. Step 6: Final answer
    x = 106,750,952.79

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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.