Home / 168,327,179.70-252,364,798.35-91,736,690.10

Finding the Fourth Proportional to 168,327,179.70, 252,364,798.35 and 91,736,690.10

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Solution

The fourth proportional to 168,327,179.70, 252,364,798.35 and 91,736,690.10 is: 137,536,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,327,179.70 : 252,364,798.35 = 91,736,690.10 : x
  2. Step 2: Convert to fraction form
    168,327,179.70/252,364,798.35 = 91,736,690.10/x
  3. Step 3: Cross multiply
    168,327,179.70x = 252,364,798.35 × 91,736,690.10
  4. Step 4: Simplify right side
    168,327,179.70x = 23,151,111,298,382,940
  5. Step 5: Solve for x
    x = 23,151,111,298,382,940/168,327,179.70
  6. Step 6: Final answer
    x = 137,536,382.06

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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.