Home / 217,250,277.40-325,875,416.10-189,190,192.60

Finding the Fourth Proportional to 217,250,277.40, 325,875,416.10 and 189,190,192.60

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Solution

The fourth proportional to 217,250,277.40, 325,875,416.10 and 189,190,192.60 is: 283,785,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,250,277.40 : 325,875,416.10 = 189,190,192.60 : x
  2. Step 2: Convert to fraction form
    217,250,277.40/325,875,416.10 = 189,190,192.60/x
  3. Step 3: Cross multiply
    217,250,277.40x = 325,875,416.10 × 189,190,192.60
  4. Step 4: Simplify right side
    217,250,277.40x = 61,652,432,735,564,144
  5. Step 5: Solve for x
    x = 61,652,432,735,564,144/217,250,277.40
  6. Step 6: Final answer
    x = 283,785,288.90

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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.