Home / 69,491,833.80-104,238,488.76-20,970,114.36

Finding the Fourth Proportional to 69,491,833.80, 104,238,488.76 and 20,970,114.36

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Solution

The fourth proportional to 69,491,833.80, 104,238,488.76 and 20,970,114.36 is: 31,455,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,491,833.80 : 104,238,488.76 = 20,970,114.36 : x
  2. Step 2: Convert to fraction form
    69,491,833.80/104,238,488.76 = 20,970,114.36/x
  3. Step 3: Cross multiply
    69,491,833.80x = 104,238,488.76 × 20,970,114.36
  4. Step 4: Simplify right side
    69,491,833.80x = 2,185,893,030,010,774.75
  5. Step 5: Solve for x
    x = 2,185,893,030,010,774.75/69,491,833.80
  6. Step 6: Final answer
    x = 31,455,394.26

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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.