Home / 151,848,817.97-209,550,325.86-82,232,605.76

Finding the Fourth Proportional to 151,848,817.97, 209,550,325.86 and 82,232,605.76

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Solution

The fourth proportional to 151,848,817.97, 209,550,325.86 and 82,232,605.76 is: 113,480,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,848,817.97 : 209,550,325.86 = 82,232,605.76 : x
  2. Step 2: Convert to fraction form
    151,848,817.97/209,550,325.86 = 82,232,605.76/x
  3. Step 3: Cross multiply
    151,848,817.97x = 209,550,325.86 × 82,232,605.76
  4. Step 4: Simplify right side
    151,848,817.97x = 17,231,869,332,277,162
  5. Step 5: Solve for x
    x = 17,231,869,332,277,162/151,848,817.97
  6. Step 6: Final answer
    x = 113,480,431.15

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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.