Home / 135,945,652.10-203,890,138.95-49,724,672.90

Finding the Fourth Proportional to 135,945,652.10, 203,890,138.95 and 49,724,672.90

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Solution

The fourth proportional to 135,945,652.10, 203,890,138.95 and 49,724,672.90 is: 74,576,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,945,652.10 : 203,890,138.95 = 49,724,672.90 : x
  2. Step 2: Convert to fraction form
    135,945,652.10/203,890,138.95 = 49,724,672.90/x
  3. Step 3: Cross multiply
    135,945,652.10x = 203,890,138.95 × 49,724,672.90
  4. Step 4: Simplify right side
    135,945,652.10x = 10,138,370,466,824,298
  5. Step 5: Solve for x
    x = 10,138,370,466,824,298/135,945,652.10
  6. Step 6: Final answer
    x = 74,576,643.76

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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.