Home / 111,211,096.11-166,844,429.53-78,485,562.58

Finding the Fourth Proportional to 111,211,096.11, 166,844,429.53 and 78,485,562.58

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Solution

The fourth proportional to 111,211,096.11, 166,844,429.53 and 78,485,562.58 is: 117,747,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,211,096.11 : 166,844,429.53 = 78,485,562.58 : x
  2. Step 2: Convert to fraction form
    111,211,096.11/166,844,429.53 = 78,485,562.58/x
  3. Step 3: Cross multiply
    111,211,096.11x = 166,844,429.53 × 78,485,562.58
  4. Step 4: Simplify right side
    111,211,096.11x = 13,094,878,914,387,890
  5. Step 5: Solve for x
    x = 13,094,878,914,387,890/111,211,096.11
  6. Step 6: Final answer
    x = 117,747,952.97

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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.