Home / 55,295,438.40-76,336,394.76-40,394,029.32

Finding the Fourth Proportional to 55,295,438.40, 76,336,394.76 and 40,394,029.32

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Solution

The fourth proportional to 55,295,438.40, 76,336,394.76 and 40,394,029.32 is: 55,764,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295,438.40 : 76,336,394.76 = 40,394,029.32 : x
  2. Step 2: Convert to fraction form
    55,295,438.40/76,336,394.76 = 40,394,029.32/x
  3. Step 3: Cross multiply
    55,295,438.40x = 76,336,394.76 × 40,394,029.32
  4. Step 4: Simplify right side
    55,295,438.40x = 3,083,534,568,118,534.50
  5. Step 5: Solve for x
    x = 3,083,534,568,118,534.50/55,295,438.40
  6. Step 6: Final answer
    x = 55,764,718.71

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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.