Home / 69,347,260.18-95,698,980.17-39,978,452.71

Finding the Fourth Proportional to 69,347,260.18, 95,698,980.17 and 39,978,452.71

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Solution

The fourth proportional to 69,347,260.18, 95,698,980.17 and 39,978,452.71 is: 55,170,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,347,260.18 : 95,698,980.17 = 39,978,452.71 : x
  2. Step 2: Convert to fraction form
    69,347,260.18/95,698,980.17 = 39,978,452.71/x
  3. Step 3: Cross multiply
    69,347,260.18x = 95,698,980.17 × 39,978,452.71
  4. Step 4: Simplify right side
    69,347,260.18x = 3,825,897,152,682,433.50
  5. Step 5: Solve for x
    x = 3,825,897,152,682,433.50/69,347,260.18
  6. Step 6: Final answer
    x = 55,170,127.02

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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.