Home / 221,616,443.20-332,424,664.80-68,242,570.60

Finding the Fourth Proportional to 221,616,443.20, 332,424,664.80 and 68,242,570.60

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Solution

The fourth proportional to 221,616,443.20, 332,424,664.80 and 68,242,570.60 is: 102,363,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,616,443.20 : 332,424,664.80 = 68,242,570.60 : x
  2. Step 2: Convert to fraction form
    221,616,443.20/332,424,664.80 = 68,242,570.60/x
  3. Step 3: Cross multiply
    221,616,443.20x = 332,424,664.80 × 68,242,570.60
  4. Step 4: Simplify right side
    221,616,443.20x = 22,685,513,656,795,332
  5. Step 5: Solve for x
    x = 22,685,513,656,795,332/221,616,443.20
  6. Step 6: Final answer
    x = 102,363,855.90

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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.