Home / 199,485,629.10-299,417,400.45-122,958,125.10

Finding the Fourth Proportional to 199,485,629.10, 299,417,400.45 and 122,958,125.10

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Solution

The fourth proportional to 199,485,629.10, 299,417,400.45 and 122,958,125.10 is: 184,553,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,485,629.10 : 299,417,400.45 = 122,958,125.10 : x
  2. Step 2: Convert to fraction form
    199,485,629.10/299,417,400.45 = 122,958,125.10/x
  3. Step 3: Cross multiply
    199,485,629.10x = 299,417,400.45 × 122,958,125.10
  4. Step 4: Simplify right side
    199,485,629.10x = 36,815,802,181,647,896
  5. Step 5: Solve for x
    x = 36,815,802,181,647,896/199,485,629.10
  6. Step 6: Final answer
    x = 184,553,656.06

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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.