Home / 117,099,622.52-161,597,043.80-64,888,616.80

Finding the Fourth Proportional to 117,099,622.52, 161,597,043.80 and 64,888,616.80

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Solution

The fourth proportional to 117,099,622.52, 161,597,043.80 and 64,888,616.80 is: 89,546,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,099,622.52 : 161,597,043.80 = 64,888,616.80 : x
  2. Step 2: Convert to fraction form
    117,099,622.52/161,597,043.80 = 64,888,616.80/x
  3. Step 3: Cross multiply
    117,099,622.52x = 161,597,043.80 × 64,888,616.80
  4. Step 4: Simplify right side
    117,099,622.52x = 10,485,808,651,151,016
  5. Step 5: Solve for x
    x = 10,485,808,651,151,016/117,099,622.52
  6. Step 6: Final answer
    x = 89,546,049.98

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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.