Home / 217,310,624.40-325,965,936.60-202,005,123.60

Finding the Fourth Proportional to 217,310,624.40, 325,965,936.60 and 202,005,123.60

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Solution

The fourth proportional to 217,310,624.40, 325,965,936.60 and 202,005,123.60 is: 303,007,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,310,624.40 : 325,965,936.60 = 202,005,123.60 : x
  2. Step 2: Convert to fraction form
    217,310,624.40/325,965,936.60 = 202,005,123.60/x
  3. Step 3: Cross multiply
    217,310,624.40x = 325,965,936.60 × 202,005,123.60
  4. Step 4: Simplify right side
    217,310,624.40x = 65,846,789,312,272,768
  5. Step 5: Solve for x
    x = 65,846,789,312,272,768/217,310,624.40
  6. Step 6: Final answer
    x = 303,007,685.40

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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.