Home / 149,321,894.16-206,076,478.86-82,353,951.84

Finding the Fourth Proportional to 149,321,894.16, 206,076,478.86 and 82,353,951.84

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Solution

The fourth proportional to 149,321,894.16, 206,076,478.86 and 82,353,951.84 is: 113,655,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,321,894.16 : 206,076,478.86 = 82,353,951.84 : x
  2. Step 2: Convert to fraction form
    149,321,894.16/206,076,478.86 = 82,353,951.84/x
  3. Step 3: Cross multiply
    149,321,894.16x = 206,076,478.86 × 82,353,951.84
  4. Step 4: Simplify right side
    149,321,894.16x = 16,971,212,415,393,220
  5. Step 5: Solve for x
    x = 16,971,212,415,393,220/149,321,894.16
  6. Step 6: Final answer
    x = 113,655,217.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.