Home / 69,501,890.70-104,252,836.05-40,804,076.70

Finding the Fourth Proportional to 69,501,890.70, 104,252,836.05 and 40,804,076.70

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Solution

The fourth proportional to 69,501,890.70, 104,252,836.05 and 40,804,076.70 is: 61,206,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,501,890.70 : 104,252,836.05 = 40,804,076.70 : x
  2. Step 2: Convert to fraction form
    69,501,890.70/104,252,836.05 = 40,804,076.70/x
  3. Step 3: Cross multiply
    69,501,890.70x = 104,252,836.05 × 40,804,076.70
  4. Step 4: Simplify right side
    69,501,890.70x = 4,253,940,718,376,725
  5. Step 5: Solve for x
    x = 4,253,940,718,376,725/69,501,890.70
  6. Step 6: Final answer
    x = 61,206,115.05

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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.