Home / 107,789,605.20-161,708,027.40-53,228,329.20

Finding the Fourth Proportional to 107,789,605.20, 161,708,027.40 and 53,228,329.20

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Solution

The fourth proportional to 107,789,605.20, 161,708,027.40 and 53,228,329.20 is: 79,854,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,789,605.20 : 161,708,027.40 = 53,228,329.20 : x
  2. Step 2: Convert to fraction form
    107,789,605.20/161,708,027.40 = 53,228,329.20/x
  3. Step 3: Cross multiply
    107,789,605.20x = 161,708,027.40 × 53,228,329.20
  4. Step 4: Simplify right side
    107,789,605.20x = 8,607,448,116,729,821
  5. Step 5: Solve for x
    x = 8,607,448,116,729,821/107,789,605.20
  6. Step 6: Final answer
    x = 79,854,157.56

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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.