Home / 69,128,729.96-95,400,545.46-39,760,069.64

Finding the Fourth Proportional to 69,128,729.96, 95,400,545.46 and 39,760,069.64

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Solution

The fourth proportional to 69,128,729.96, 95,400,545.46 and 39,760,069.64 is: 54,870,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,128,729.96 : 95,400,545.46 = 39,760,069.64 : x
  2. Step 2: Convert to fraction form
    69,128,729.96/95,400,545.46 = 39,760,069.64/x
  3. Step 3: Cross multiply
    69,128,729.96x = 95,400,545.46 × 39,760,069.64
  4. Step 4: Simplify right side
    69,128,729.96x = 3,793,132,331,183,585.50
  5. Step 5: Solve for x
    x = 3,793,132,331,183,585.50/69,128,729.96
  6. Step 6: Final answer
    x = 54,870,562.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.