Home / 161,471,909.28-242,037,773.44-80,522,816.16

Finding the Fourth Proportional to 161,471,909.28, 242,037,773.44 and 80,522,816.16

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Solution

The fourth proportional to 161,471,909.28, 242,037,773.44 and 80,522,816.16 is: 120,699,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,471,909.28 : 242,037,773.44 = 80,522,816.16 : x
  2. Step 2: Convert to fraction form
    161,471,909.28/242,037,773.44 = 80,522,816.16/x
  3. Step 3: Cross multiply
    161,471,909.28x = 242,037,773.44 × 80,522,816.16
  4. Step 4: Simplify right side
    161,471,909.28x = 19,489,563,134,484,848
  5. Step 5: Solve for x
    x = 19,489,563,134,484,848/161,471,909.28
  6. Step 6: Final answer
    x = 120,699,403.51

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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.