Home / 189,802,071.52-261,946,586.04-109,336,839.52

Finding the Fourth Proportional to 189,802,071.52, 261,946,586.04 and 109,336,839.52

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Solution

The fourth proportional to 189,802,071.52, 261,946,586.04 and 109,336,839.52 is: 150,896,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,802,071.52 : 261,946,586.04 = 109,336,839.52 : x
  2. Step 2: Convert to fraction form
    189,802,071.52/261,946,586.04 = 109,336,839.52/x
  3. Step 3: Cross multiply
    189,802,071.52x = 261,946,586.04 × 109,336,839.52
  4. Step 4: Simplify right side
    189,802,071.52x = 28,640,411,840,667,352
  5. Step 5: Solve for x
    x = 28,640,411,840,667,352/189,802,071.52
  6. Step 6: Final answer
    x = 150,896,202.61

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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.