Home / 217,049,619.40-325,574,429.10-148,174,865.80

Finding the Fourth Proportional to 217,049,619.40, 325,574,429.10 and 148,174,865.80

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Solution

The fourth proportional to 217,049,619.40, 325,574,429.10 and 148,174,865.80 is: 222,262,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,049,619.40 : 325,574,429.10 = 148,174,865.80 : x
  2. Step 2: Convert to fraction form
    217,049,619.40/325,574,429.10 = 148,174,865.80/x
  3. Step 3: Cross multiply
    217,049,619.40x = 325,574,429.10 × 148,174,865.80
  4. Step 4: Simplify right side
    217,049,619.40x = 48,241,947,339,804,120
  5. Step 5: Solve for x
    x = 48,241,947,339,804,120/217,049,619.40
  6. Step 6: Final answer
    x = 222,262,298.70

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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.