Home / 53,900,539.40-80,850,809.10-21,536,438.60

Finding the Fourth Proportional to 53,900,539.40, 80,850,809.10 and 21,536,438.60

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Solution

The fourth proportional to 53,900,539.40, 80,850,809.10 and 21,536,438.60 is: 32,304,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900,539.40 : 80,850,809.10 = 21,536,438.60 : x
  2. Step 2: Convert to fraction form
    53,900,539.40/80,850,809.10 = 21,536,438.60/x
  3. Step 3: Cross multiply
    53,900,539.40x = 80,850,809.10 × 21,536,438.60
  4. Step 4: Simplify right side
    53,900,539.40x = 1,741,238,485,942,471.25
  5. Step 5: Solve for x
    x = 1,741,238,485,942,471.25/53,900,539.40
  6. Step 6: Final answer
    x = 32,304,657.90

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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.