Home / 217,632,043.65-326,387,467.36-72,076,954.85

Finding the Fourth Proportional to 217,632,043.65, 326,387,467.36 and 72,076,954.85

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Solution

The fourth proportional to 217,632,043.65, 326,387,467.36 and 72,076,954.85 is: 108,095,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,632,043.65 : 326,387,467.36 = 72,076,954.85 : x
  2. Step 2: Convert to fraction form
    217,632,043.65/326,387,467.36 = 72,076,954.85/x
  3. Step 3: Cross multiply
    217,632,043.65x = 326,387,467.36 × 72,076,954.85
  4. Step 4: Simplify right side
    217,632,043.65x = 23,525,014,747,789,604
  5. Step 5: Solve for x
    x = 23,525,014,747,789,604/217,632,043.65
  6. Step 6: Final answer
    x = 108,095,362.95

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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.