Home / 200,078,430-276,108,233.40-108,508,254

Finding the Fourth Proportional to 200,078,430, 276,108,233.40 and 108,508,254

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Solution

The fourth proportional to 200,078,430, 276,108,233.40 and 108,508,254 is: 149,741,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,078,430 : 276,108,233.40 = 108,508,254 : x
  2. Step 2: Convert to fraction form
    200,078,430/276,108,233.40 = 108,508,254/x
  3. Step 3: Cross multiply
    200,078,430x = 276,108,233.40 × 108,508,254
  4. Step 4: Simplify right side
    200,078,430x = 29,960,022,321,258,480
  5. Step 5: Solve for x
    x = 29,960,022,321,258,480/200,078,430
  6. Step 6: Final answer
    x = 149,741,390.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.