Home / 205,284,333.42-307,972,462.77-68,965,999.02

Finding the Fourth Proportional to 205,284,333.42, 307,972,462.77 and 68,965,999.02

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Solution

The fourth proportional to 205,284,333.42, 307,972,462.77 and 68,965,999.02 is: 103,464,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,284,333.42 : 307,972,462.77 = 68,965,999.02 : x
  2. Step 2: Convert to fraction form
    205,284,333.42/307,972,462.77 = 68,965,999.02/x
  3. Step 3: Cross multiply
    205,284,333.42x = 307,972,462.77 × 68,965,999.02
  4. Step 4: Simplify right side
    205,284,333.42x = 21,239,628,565,582,804
  5. Step 5: Solve for x
    x = 21,239,628,565,582,804/205,284,333.42
  6. Step 6: Final answer
    x = 103,464,439.84

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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.