Home / 50,188,030.35-75,285,643.82-21,012,509.94

Finding the Fourth Proportional to 50,188,030.35, 75,285,643.82 and 21,012,509.94

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Solution

The fourth proportional to 50,188,030.35, 75,285,643.82 and 21,012,509.94 is: 31,520,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,188,030.35 : 75,285,643.82 = 21,012,509.94 : x
  2. Step 2: Convert to fraction form
    50,188,030.35/75,285,643.82 = 21,012,509.94/x
  3. Step 3: Cross multiply
    50,188,030.35x = 75,285,643.82 × 21,012,509.94
  4. Step 4: Simplify right side
    50,188,030.35x = 1,581,940,339,001,987
  5. Step 5: Solve for x
    x = 1,581,940,339,001,987/50,188,030.35
  6. Step 6: Final answer
    x = 31,520,271.43

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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.