Home / 217,632,045.15-326,387,469.60-72,076,956.35

Finding the Fourth Proportional to 217,632,045.15, 326,387,469.60 and 72,076,956.35

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Solution

The fourth proportional to 217,632,045.15, 326,387,469.60 and 72,076,956.35 is: 108,095,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,632,045.15 : 326,387,469.60 = 72,076,956.35 : x
  2. Step 2: Convert to fraction form
    217,632,045.15/326,387,469.60 = 72,076,956.35/x
  3. Step 3: Cross multiply
    217,632,045.15x = 326,387,469.60 × 72,076,956.35
  4. Step 4: Simplify right side
    217,632,045.15x = 23,525,015,397,914,216
  5. Step 5: Solve for x
    x = 23,525,015,397,914,216/217,632,045.15
  6. Step 6: Final answer
    x = 108,095,365.19

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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.