Home / 112,954,251.72-155,870,318.70-63,389,997.30

Finding the Fourth Proportional to 112,954,251.72, 155,870,318.70 and 63,389,997.30

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Solution

The fourth proportional to 112,954,251.72, 155,870,318.70 and 63,389,997.30 is: 87,474,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,954,251.72 : 155,870,318.70 = 63,389,997.30 : x
  2. Step 2: Convert to fraction form
    112,954,251.72/155,870,318.70 = 63,389,997.30/x
  3. Step 3: Cross multiply
    112,954,251.72x = 155,870,318.70 × 63,389,997.30
  4. Step 4: Simplify right side
    112,954,251.72x = 9,880,619,081,543,138
  5. Step 5: Solve for x
    x = 9,880,619,081,543,138/112,954,251.72
  6. Step 6: Final answer
    x = 87,474,521.15

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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.