Home / 217,049,611.40-325,574,417.10-148,174,857.80

Finding the Fourth Proportional to 217,049,611.40, 325,574,417.10 and 148,174,857.80

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Solution

The fourth proportional to 217,049,611.40, 325,574,417.10 and 148,174,857.80 is: 222,262,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,049,611.40 : 325,574,417.10 = 148,174,857.80 : x
  2. Step 2: Convert to fraction form
    217,049,611.40/325,574,417.10 = 148,174,857.80/x
  3. Step 3: Cross multiply
    217,049,611.40x = 325,574,417.10 × 148,174,857.80
  4. Step 4: Simplify right side
    217,049,611.40x = 48,241,942,957,110,392
  5. Step 5: Solve for x
    x = 48,241,942,957,110,392/217,049,611.40
  6. Step 6: Final answer
    x = 222,262,286.70

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1.5x scale

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.