Home / 110,916,091.80-166,374,137.70-72,368,904.60

Finding the Fourth Proportional to 110,916,091.80, 166,374,137.70 and 72,368,904.60

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Solution

The fourth proportional to 110,916,091.80, 166,374,137.70 and 72,368,904.60 is: 108,553,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,916,091.80 : 166,374,137.70 = 72,368,904.60 : x
  2. Step 2: Convert to fraction form
    110,916,091.80/166,374,137.70 = 72,368,904.60/x
  3. Step 3: Cross multiply
    110,916,091.80x = 166,374,137.70 × 72,368,904.60
  4. Step 4: Simplify right side
    110,916,091.80x = 12,040,314,099,118,562
  5. Step 5: Solve for x
    x = 12,040,314,099,118,562/110,916,091.80
  6. Step 6: Final answer
    x = 108,553,356.90

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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.