Home / 362,003,019.60-543,004,529.40-131,979,608.40

Finding the Fourth Proportional to 362,003,019.60, 543,004,529.40 and 131,979,608.40

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Solution

The fourth proportional to 362,003,019.60, 543,004,529.40 and 131,979,608.40 is: 197,969,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,003,019.60 : 543,004,529.40 = 131,979,608.40 : x
  2. Step 2: Convert to fraction form
    362,003,019.60/543,004,529.40 = 131,979,608.40/x
  3. Step 3: Cross multiply
    362,003,019.60x = 543,004,529.40 × 131,979,608.40
  4. Step 4: Simplify right side
    362,003,019.60x = 71,665,525,149,638,288
  5. Step 5: Solve for x
    x = 71,665,525,149,638,288/362,003,019.60
  6. Step 6: Final answer
    x = 197,969,412.60

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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.