Home / 203,490,878.96-305,337,276.88-80,666,600.24

Finding the Fourth Proportional to 203,490,878.96, 305,337,276.88 and 80,666,600.24

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Solution

The fourth proportional to 203,490,878.96, 305,337,276.88 and 80,666,600.24 is: 121,039,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,490,878.96 : 305,337,276.88 = 80,666,600.24 : x
  2. Step 2: Convert to fraction form
    203,490,878.96/305,337,276.88 = 80,666,600.24/x
  3. Step 3: Cross multiply
    203,490,878.96x = 305,337,276.88 × 80,666,600.24
  4. Step 4: Simplify right side
    203,490,878.96x = 24,630,520,052,449,152
  5. Step 5: Solve for x
    x = 24,630,520,052,449,152/203,490,878.96
  6. Step 6: Final answer
    x = 121,039,921.68

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1.5x scale

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.