Home / 362,003,178.60-543,004,767.90-131,979,767.40

Finding the Fourth Proportional to 362,003,178.60, 543,004,767.90 and 131,979,767.40

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Solution

The fourth proportional to 362,003,178.60, 543,004,767.90 and 131,979,767.40 is: 197,969,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,003,178.60 : 543,004,767.90 = 131,979,767.40 : x
  2. Step 2: Convert to fraction form
    362,003,178.60/543,004,767.90 = 131,979,767.40/x
  3. Step 3: Cross multiply
    362,003,178.60x = 543,004,767.90 × 131,979,767.40
  4. Step 4: Simplify right side
    362,003,178.60x = 71,665,642,964,532,984
  5. Step 5: Solve for x
    x = 71,665,642,964,532,984/362,003,178.60
  6. Step 6: Final answer
    x = 197,969,651.10

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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.