Home / 90,192,426.60-135,189,107.10-49,831,876.20

Finding the Fourth Proportional to 90,192,426.60, 135,189,107.10 and 49,831,876.20

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Solution

The fourth proportional to 90,192,426.60, 135,189,107.10 and 49,831,876.20 is: 74,692,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,192,426.60 : 135,189,107.10 = 49,831,876.20 : x
  2. Step 2: Convert to fraction form
    90,192,426.60/135,189,107.10 = 49,831,876.20/x
  3. Step 3: Cross multiply
    90,192,426.60x = 135,189,107.10 × 49,831,876.20
  4. Step 4: Simplify right side
    90,192,426.60x = 6,736,726,848,595,741
  5. Step 5: Solve for x
    x = 6,736,726,848,595,741/90,192,426.60
  6. Step 6: Final answer
    x = 74,692,821.81

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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.