Home / 89,669,455.80-134,504,183.70-73,726,225.80

Finding the Fourth Proportional to 89,669,455.80, 134,504,183.70 and 73,726,225.80

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Solution

The fourth proportional to 89,669,455.80, 134,504,183.70 and 73,726,225.80 is: 110,589,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,669,455.80 : 134,504,183.70 = 73,726,225.80 : x
  2. Step 2: Convert to fraction form
    89,669,455.80/134,504,183.70 = 73,726,225.80/x
  3. Step 3: Cross multiply
    89,669,455.80x = 134,504,183.70 × 73,726,225.80
  4. Step 4: Simplify right side
    89,669,455.80x = 9,916,485,818,510,878
  5. Step 5: Solve for x
    x = 9,916,485,818,510,878/89,669,455.80
  6. Step 6: Final answer
    x = 110,589,338.70

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1.5x scale

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.