Home / 276,021,786.20-413,681,009.70-146,691,354.20

Finding the Fourth Proportional to 276,021,786.20, 413,681,009.70 and 146,691,354.20

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Solution

The fourth proportional to 276,021,786.20, 413,681,009.70 and 146,691,354.20 is: 219,850,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,021,786.20 : 413,681,009.70 = 146,691,354.20 : x
  2. Step 2: Convert to fraction form
    276,021,786.20/413,681,009.70 = 146,691,354.20/x
  3. Step 3: Cross multiply
    276,021,786.20x = 413,681,009.70 × 146,691,354.20
  4. Step 4: Simplify right side
    276,021,786.20x = 60,683,427,519,716,328
  5. Step 5: Solve for x
    x = 60,683,427,519,716,328/276,021,786.20
  6. Step 6: Final answer
    x = 219,850,137.03

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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.