Home / 218,174,321.75-301,086,952.47-119,061,455.51

Finding the Fourth Proportional to 218,174,321.75, 301,086,952.47 and 119,061,455.51

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Solution

The fourth proportional to 218,174,321.75, 301,086,952.47 and 119,061,455.51 is: 164,308,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,174,321.75 : 301,086,952.47 = 119,061,455.51 : x
  2. Step 2: Convert to fraction form
    218,174,321.75/301,086,952.47 = 119,061,455.51/x
  3. Step 3: Cross multiply
    218,174,321.75x = 301,086,952.47 × 119,061,455.51
  4. Step 4: Simplify right side
    218,174,321.75x = 35,847,850,796,901,112
  5. Step 5: Solve for x
    x = 35,847,850,796,901,112/218,174,321.75
  6. Step 6: Final answer
    x = 164,308,294.90

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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.