Home / 146,899,416.80-220,160,168.40-89,330,578.40

Finding the Fourth Proportional to 146,899,416.80, 220,160,168.40 and 89,330,578.40

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Solution

The fourth proportional to 146,899,416.80, 220,160,168.40 and 89,330,578.40 is: 133,880,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,899,416.80 : 220,160,168.40 = 89,330,578.40 : x
  2. Step 2: Convert to fraction form
    146,899,416.80/220,160,168.40 = 89,330,578.40/x
  3. Step 3: Cross multiply
    146,899,416.80x = 220,160,168.40 × 89,330,578.40
  4. Step 4: Simplify right side
    146,899,416.80x = 19,667,035,183,813,404
  5. Step 5: Solve for x
    x = 19,667,035,183,813,404/146,899,416.80
  6. Step 6: Final answer
    x = 133,880,961.63

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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.