Home / 135,945,698.60-203,890,208.70-49,724,719.40

Finding the Fourth Proportional to 135,945,698.60, 203,890,208.70 and 49,724,719.40

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Solution

The fourth proportional to 135,945,698.60, 203,890,208.70 and 49,724,719.40 is: 74,576,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,945,698.60 : 203,890,208.70 = 49,724,719.40 : x
  2. Step 2: Convert to fraction form
    135,945,698.60/203,890,208.70 = 49,724,719.40/x
  3. Step 3: Cross multiply
    135,945,698.60x = 203,890,208.70 × 49,724,719.40
  4. Step 4: Simplify right side
    135,945,698.60x = 10,138,383,416,014,938
  5. Step 5: Solve for x
    x = 10,138,383,416,014,938/135,945,698.60
  6. Step 6: Final answer
    x = 74,576,713.50

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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.