Home / 146,641,331.70-220,103,715.15-89,245,703.70

Finding the Fourth Proportional to 146,641,331.70, 220,103,715.15 and 89,245,703.70

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Solution

The fourth proportional to 146,641,331.70, 220,103,715.15 and 89,245,703.70 is: 133,954,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,641,331.70 : 220,103,715.15 = 89,245,703.70 : x
  2. Step 2: Convert to fraction form
    146,641,331.70/220,103,715.15 = 89,245,703.70/x
  3. Step 3: Cross multiply
    146,641,331.70x = 220,103,715.15 × 89,245,703.70
  4. Step 4: Simplify right side
    146,641,331.70x = 19,643,310,945,546,104
  5. Step 5: Solve for x
    x = 19,643,310,945,546,104/146,641,331.70
  6. Step 6: Final answer
    x = 133,954,804.68

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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.