Home / 69,557,647.80-104,294,999.70-42,650,614.20

Finding the Fourth Proportional to 69,557,647.80, 104,294,999.70 and 42,650,614.20

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Solution

The fourth proportional to 69,557,647.80, 104,294,999.70 and 42,650,614.20 is: 63,950,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,557,647.80 : 104,294,999.70 = 42,650,614.20 : x
  2. Step 2: Convert to fraction form
    69,557,647.80/104,294,999.70 = 42,650,614.20/x
  3. Step 3: Cross multiply
    69,557,647.80x = 104,294,999.70 × 42,650,614.20
  4. Step 4: Simplify right side
    69,557,647.80x = 4,448,245,795,193,816
  5. Step 5: Solve for x
    x = 4,448,245,795,193,816/69,557,647.80
  6. Step 6: Final answer
    x = 63,950,491.94

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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.