Home / 180,516,245.82-270,171,029.91-102,772,279.20

Finding the Fourth Proportional to 180,516,245.82, 270,171,029.91 and 102,772,279.20

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Solution

The fourth proportional to 180,516,245.82, 270,171,029.91 and 102,772,279.20 is: 153,814,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,516,245.82 : 270,171,029.91 = 102,772,279.20 : x
  2. Step 2: Convert to fraction form
    180,516,245.82/270,171,029.91 = 102,772,279.20/x
  3. Step 3: Cross multiply
    180,516,245.82x = 270,171,029.91 × 102,772,279.20
  4. Step 4: Simplify right side
    180,516,245.82x = 27,766,092,517,662,076
  5. Step 5: Solve for x
    x = 27,766,092,517,662,076/180,516,245.82
  6. Step 6: Final answer
    x = 153,814,923.37

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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.