Home / 151,891,955.98-209,611,905.69-82,277,336.86

Finding the Fourth Proportional to 151,891,955.98, 209,611,905.69 and 82,277,336.86

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Solution

The fourth proportional to 151,891,955.98, 209,611,905.69 and 82,277,336.86 is: 113,543,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,891,955.98 : 209,611,905.69 = 82,277,336.86 : x
  2. Step 2: Convert to fraction form
    151,891,955.98/209,611,905.69 = 82,277,336.86/x
  3. Step 3: Cross multiply
    151,891,955.98x = 209,611,905.69 × 82,277,336.86
  4. Step 4: Simplify right side
    151,891,955.98x = 17,246,309,374,322,680
  5. Step 5: Solve for x
    x = 17,246,309,374,322,680/151,891,955.98
  6. Step 6: Final answer
    x = 113,543,270.04

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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.