Home / 137,562,415.80-206,582,772.15-72,992,334.30

Finding the Fourth Proportional to 137,562,415.80, 206,582,772.15 and 72,992,334.30

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Solution

The fourth proportional to 137,562,415.80, 206,582,772.15 and 72,992,334.30 is: 109,615,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,562,415.80 : 206,582,772.15 = 72,992,334.30 : x
  2. Step 2: Convert to fraction form
    137,562,415.80/206,582,772.15 = 72,992,334.30/x
  3. Step 3: Cross multiply
    137,562,415.80x = 206,582,772.15 × 72,992,334.30
  4. Step 4: Simplify right side
    137,562,415.80x = 15,078,958,765,393,530
  5. Step 5: Solve for x
    x = 15,078,958,765,393,530/137,562,415.80
  6. Step 6: Final answer
    x = 109,615,396.60

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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.