Home / 68,205,588.31-102,306,905.30-19,020,129.24

Finding the Fourth Proportional to 68,205,588.31, 102,306,905.30 and 19,020,129.24

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Solution

The fourth proportional to 68,205,588.31, 102,306,905.30 and 19,020,129.24 is: 28,529,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,205,588.31 : 102,306,905.30 = 19,020,129.24 : x
  2. Step 2: Convert to fraction form
    68,205,588.31/102,306,905.30 = 19,020,129.24/x
  3. Step 3: Cross multiply
    68,205,588.31x = 102,306,905.30 × 19,020,129.24
  4. Step 4: Simplify right side
    68,205,588.31x = 1,945,890,560,950,440.75
  5. Step 5: Solve for x
    x = 1,945,890,560,950,440.75/68,205,588.31
  6. Step 6: Final answer
    x = 28,529,781.93

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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.