Home / 266,026,949.60-399,040,424.40-157,187,832.80

Finding the Fourth Proportional to 266,026,949.60, 399,040,424.40 and 157,187,832.80

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Solution

The fourth proportional to 266,026,949.60, 399,040,424.40 and 157,187,832.80 is: 235,781,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,026,949.60 : 399,040,424.40 = 157,187,832.80 : x
  2. Step 2: Convert to fraction form
    266,026,949.60/399,040,424.40 = 157,187,832.80/x
  3. Step 3: Cross multiply
    266,026,949.60x = 399,040,424.40 × 157,187,832.80
  4. Step 4: Simplify right side
    266,026,949.60x = 62,724,299,511,028,240
  5. Step 5: Solve for x
    x = 62,724,299,511,028,240/266,026,949.60
  6. Step 6: Final answer
    x = 235,781,749.20

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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.