Home / 80,879,332.80-121,318,999.20-50,268,331.20

Finding the Fourth Proportional to 80,879,332.80, 121,318,999.20 and 50,268,331.20

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Solution

The fourth proportional to 80,879,332.80, 121,318,999.20 and 50,268,331.20 is: 75,402,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,332.80 : 121,318,999.20 = 50,268,331.20 : x
  2. Step 2: Convert to fraction form
    80,879,332.80/121,318,999.20 = 50,268,331.20/x
  3. Step 3: Cross multiply
    80,879,332.80x = 121,318,999.20 × 50,268,331.20
  4. Step 4: Simplify right side
    80,879,332.80x = 6,098,503,632,638,136
  5. Step 5: Solve for x
    x = 6,098,503,632,638,136/80,879,332.80
  6. Step 6: Final answer
    x = 75,402,496.80

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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.