Home / 107,838,363.20-161,757,544.80-31,163,892.80

Finding the Fourth Proportional to 107,838,363.20, 161,757,544.80 and 31,163,892.80

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Solution

The fourth proportional to 107,838,363.20, 161,757,544.80 and 31,163,892.80 is: 46,745,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838,363.20 : 161,757,544.80 = 31,163,892.80 : x
  2. Step 2: Convert to fraction form
    107,838,363.20/161,757,544.80 = 31,163,892.80/x
  3. Step 3: Cross multiply
    107,838,363.20x = 161,757,544.80 × 31,163,892.80
  4. Step 4: Simplify right side
    107,838,363.20x = 5,040,994,785,738,398
  5. Step 5: Solve for x
    x = 5,040,994,785,738,398/107,838,363.20
  6. Step 6: Final answer
    x = 46,745,839.20

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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.