Home / 88,979,810.30-133,469,715.45-69,869,512.70

Finding the Fourth Proportional to 88,979,810.30, 133,469,715.45 and 69,869,512.70

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Solution

The fourth proportional to 88,979,810.30, 133,469,715.45 and 69,869,512.70 is: 104,804,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,979,810.30 : 133,469,715.45 = 69,869,512.70 : x
  2. Step 2: Convert to fraction form
    88,979,810.30/133,469,715.45 = 69,869,512.70/x
  3. Step 3: Cross multiply
    88,979,810.30x = 133,469,715.45 × 69,869,512.70
  4. Step 4: Simplify right side
    88,979,810.30x = 9,325,463,978,699,162
  5. Step 5: Solve for x
    x = 9,325,463,978,699,162/88,979,810.30
  6. Step 6: Final answer
    x = 104,804,269.05

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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.