Home / 203,490,879.46-305,337,277.63-80,666,600.74

Finding the Fourth Proportional to 203,490,879.46, 305,337,277.63 and 80,666,600.74

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Solution

The fourth proportional to 203,490,879.46, 305,337,277.63 and 80,666,600.74 is: 121,039,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,490,879.46 : 305,337,277.63 = 80,666,600.74 : x
  2. Step 2: Convert to fraction form
    203,490,879.46/305,337,277.63 = 80,666,600.74/x
  3. Step 3: Cross multiply
    203,490,879.46x = 305,337,277.63 × 80,666,600.74
  4. Step 4: Simplify right side
    203,490,879.46x = 24,630,520,265,617,740
  5. Step 5: Solve for x
    x = 24,630,520,265,617,740/203,490,879.46
  6. Step 6: Final answer
    x = 121,039,922.43

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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.