Home / 76,682,029.28-114,895,498.07-53,915,184.32

Finding the Fourth Proportional to 76,682,029.28, 114,895,498.07 and 53,915,184.32

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Solution

The fourth proportional to 76,682,029.28, 114,895,498.07 and 53,915,184.32 is: 80,783,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,682,029.28 : 114,895,498.07 = 53,915,184.32 : x
  2. Step 2: Convert to fraction form
    76,682,029.28/114,895,498.07 = 53,915,184.32/x
  3. Step 3: Cross multiply
    76,682,029.28x = 114,895,498.07 × 53,915,184.32
  4. Step 4: Simplify right side
    76,682,029.28x = 6,194,611,955,542,565
  5. Step 5: Solve for x
    x = 6,194,611,955,542,565/76,682,029.28
  6. Step 6: Final answer
    x = 80,783,098.91

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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.