Home / 69,721,464.42-104,569,189.12-28,211,462.50

Finding the Fourth Proportional to 69,721,464.42, 104,569,189.12 and 28,211,462.50

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Solution

The fourth proportional to 69,721,464.42, 104,569,189.12 and 28,211,462.50 is: 42,311,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721,464.42 : 104,569,189.12 = 28,211,462.50 : x
  2. Step 2: Convert to fraction form
    69,721,464.42/104,569,189.12 = 28,211,462.50/x
  3. Step 3: Cross multiply
    69,721,464.42x = 104,569,189.12 × 28,211,462.50
  4. Step 4: Simplify right side
    69,721,464.42x = 2,950,049,757,514,288
  5. Step 5: Solve for x
    x = 2,950,049,757,514,288/69,721,464.42
  6. Step 6: Final answer
    x = 42,311,930.51

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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.