Home / 69,501,892.70-104,252,839.05-40,804,078.70

Finding the Fourth Proportional to 69,501,892.70, 104,252,839.05 and 40,804,078.70

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Solution

The fourth proportional to 69,501,892.70, 104,252,839.05 and 40,804,078.70 is: 61,206,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,501,892.70 : 104,252,839.05 = 40,804,078.70 : x
  2. Step 2: Convert to fraction form
    69,501,892.70/104,252,839.05 = 40,804,078.70/x
  3. Step 3: Cross multiply
    69,501,892.70x = 104,252,839.05 × 40,804,078.70
  4. Step 4: Simplify right side
    69,501,892.70x = 4,253,941,049,294,633.50
  5. Step 5: Solve for x
    x = 4,253,941,049,294,633.50/69,501,892.70
  6. Step 6: Final answer
    x = 61,206,118.05

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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.