Home / 356,485,669.11-534,351,102.48-119,909,978.48

Finding the Fourth Proportional to 356,485,669.11, 534,351,102.48 and 119,909,978.48

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Solution

The fourth proportional to 356,485,669.11, 534,351,102.48 and 119,909,978.48 is: 179,738,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,485,669.11 : 534,351,102.48 = 119,909,978.48 : x
  2. Step 2: Convert to fraction form
    356,485,669.11/534,351,102.48 = 119,909,978.48/x
  3. Step 3: Cross multiply
    356,485,669.11x = 534,351,102.48 × 119,909,978.48
  4. Step 4: Simplify right side
    356,485,669.11x = 64,074,029,196,469,320
  5. Step 5: Solve for x
    x = 64,074,029,196,469,320/356,485,669.11
  6. Step 6: Final answer
    x = 179,738,022.45

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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.