Home / 185,805,005.21-256,427,247.34-102,187,868.88

Finding the Fourth Proportional to 185,805,005.21, 256,427,247.34 and 102,187,868.88

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Solution

The fourth proportional to 185,805,005.21, 256,427,247.34 and 102,187,868.88 is: 141,028,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,805,005.21 : 256,427,247.34 = 102,187,868.88 : x
  2. Step 2: Convert to fraction form
    185,805,005.21/256,427,247.34 = 102,187,868.88/x
  3. Step 3: Cross multiply
    185,805,005.21x = 256,427,247.34 × 102,187,868.88
  4. Step 4: Simplify right side
    185,805,005.21x = 26,203,753,927,928,308
  5. Step 5: Solve for x
    x = 26,203,753,927,928,308/185,805,005.21
  6. Step 6: Final answer
    x = 141,028,245.71

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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.