Home / 101,715,745.48-140,366,709.32-55,306,001.68

Finding the Fourth Proportional to 101,715,745.48, 140,366,709.32 and 55,306,001.68

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Solution

The fourth proportional to 101,715,745.48, 140,366,709.32 and 55,306,001.68 is: 76,321,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,715,745.48 : 140,366,709.32 = 55,306,001.68 : x
  2. Step 2: Convert to fraction form
    101,715,745.48/140,366,709.32 = 55,306,001.68/x
  3. Step 3: Cross multiply
    101,715,745.48x = 140,366,709.32 × 55,306,001.68
  4. Step 4: Simplify right side
    101,715,745.48x = 7,763,121,461,467,991
  5. Step 5: Solve for x
    x = 7,763,121,461,467,991/101,715,745.48
  6. Step 6: Final answer
    x = 76,321,728.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.