Home / 79,965,101.73-119,947,652.60-19,380,827.73

Finding the Fourth Proportional to 79,965,101.73, 119,947,652.60 and 19,380,827.73

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Solution

The fourth proportional to 79,965,101.73, 119,947,652.60 and 19,380,827.73 is: 29,071,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,965,101.73 : 119,947,652.60 = 19,380,827.73 : x
  2. Step 2: Convert to fraction form
    79,965,101.73/119,947,652.60 = 19,380,827.73/x
  3. Step 3: Cross multiply
    79,965,101.73x = 119,947,652.60 × 19,380,827.73
  4. Step 4: Simplify right side
    79,965,101.73x = 2,324,684,791,658,486.50
  5. Step 5: Solve for x
    x = 2,324,684,791,658,486.50/79,965,101.73
  6. Step 6: Final answer
    x = 29,071,241.60

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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.