Home / 189,839,835.04-261,989,144.28-106,202,976.32

Finding the Fourth Proportional to 189,839,835.04, 261,989,144.28 and 106,202,976.32

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Solution

The fourth proportional to 189,839,835.04, 261,989,144.28 and 106,202,976.32 is: 146,565,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,839,835.04 : 261,989,144.28 = 106,202,976.32 : x
  2. Step 2: Convert to fraction form
    189,839,835.04/261,989,144.28 = 106,202,976.32/x
  3. Step 3: Cross multiply
    189,839,835.04x = 261,989,144.28 × 106,202,976.32
  4. Step 4: Simplify right side
    189,839,835.04x = 27,824,026,886,065,900
  5. Step 5: Solve for x
    x = 27,824,026,886,065,900/189,839,835.04
  6. Step 6: Final answer
    x = 146,565,797.85

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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.