Home / 144,946,971.20-217,420,456.80-49,208,859.20

Finding the Fourth Proportional to 144,946,971.20, 217,420,456.80 and 49,208,859.20

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Solution

The fourth proportional to 144,946,971.20, 217,420,456.80 and 49,208,859.20 is: 73,813,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,946,971.20 : 217,420,456.80 = 49,208,859.20 : x
  2. Step 2: Convert to fraction form
    144,946,971.20/217,420,456.80 = 49,208,859.20/x
  3. Step 3: Cross multiply
    144,946,971.20x = 217,420,456.80 × 49,208,859.20
  4. Step 4: Simplify right side
    144,946,971.20x = 10,699,012,645,870,884
  5. Step 5: Solve for x
    x = 10,699,012,645,870,884/144,946,971.20
  6. Step 6: Final answer
    x = 73,813,288.80

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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.