Home / 80,792,500.20-121,188,750.30-56,133,637.80

Finding the Fourth Proportional to 80,792,500.20, 121,188,750.30 and 56,133,637.80

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Solution

The fourth proportional to 80,792,500.20, 121,188,750.30 and 56,133,637.80 is: 84,200,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,792,500.20 : 121,188,750.30 = 56,133,637.80 : x
  2. Step 2: Convert to fraction form
    80,792,500.20/121,188,750.30 = 56,133,637.80/x
  3. Step 3: Cross multiply
    80,792,500.20x = 121,188,750.30 × 56,133,637.80
  4. Step 4: Simplify right side
    80,792,500.20x = 6,802,765,414,774,841
  5. Step 5: Solve for x
    x = 6,802,765,414,774,841/80,792,500.20
  6. Step 6: Final answer
    x = 84,200,456.70

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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.