Home / 203,942,891,976.08-281,442,065,904.49-111,245,766,557.12

Finding the Fourth Proportional to 203,942,891,976.08, 281,442,065,904.49 and 111,245,766,557.12

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Solution

The fourth proportional to 203,942,891,976.08, 281,442,065,904.49 and 111,245,766,557.12 is: 153,519,635,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942,891,976.08 : 281,442,065,904.49 = 111,245,766,557.12 : x
  2. Step 2: Convert to fraction form
    203,942,891,976.08/281,442,065,904.49 = 111,245,766,557.12/x
  3. Step 3: Cross multiply
    203,942,891,976.08x = 281,442,065,904.49 × 111,245,766,557.12
  4. Step 4: Simplify right side
    203,942,891,976.08x = 31,309,238,362,964,475,510,784
  5. Step 5: Solve for x
    x = 31,309,238,362,964,475,510,784/203,942,891,976.08
  6. Step 6: Final answer
    x = 153,519,635,127.25

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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.