Home / 66,954,168.57-100,278,347.81-31,963,895.90

Finding the Fourth Proportional to 66,954,168.57, 100,278,347.81 and 31,963,895.90

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Solution

The fourth proportional to 66,954,168.57, 100,278,347.81 and 31,963,895.90 is: 47,872,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954,168.57 : 100,278,347.81 = 31,963,895.90 : x
  2. Step 2: Convert to fraction form
    66,954,168.57/100,278,347.81 = 31,963,895.90/x
  3. Step 3: Cross multiply
    66,954,168.57x = 100,278,347.81 × 31,963,895.90
  4. Step 4: Simplify right side
    66,954,168.57x = 3,205,286,669,761,622
  5. Step 5: Solve for x
    x = 3,205,286,669,761,622/66,954,168.57
  6. Step 6: Final answer
    x = 47,872,847.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.