Home / 221,184,861.60-331,857,008.55-91,885,266.30

Finding the Fourth Proportional to 221,184,861.60, 331,857,008.55 and 91,885,266.30

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Solution

The fourth proportional to 221,184,861.60, 331,857,008.55 and 91,885,266.30 is: 137,861,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,861.60 : 331,857,008.55 = 91,885,266.30 : x
  2. Step 2: Convert to fraction form
    221,184,861.60/331,857,008.55 = 91,885,266.30/x
  3. Step 3: Cross multiply
    221,184,861.60x = 331,857,008.55 × 91,885,266.30
  4. Step 4: Simplify right side
    221,184,861.60x = 30,492,769,604,138,128
  5. Step 5: Solve for x
    x = 30,492,769,604,138,128/221,184,861.60
  6. Step 6: Final answer
    x = 137,861,015.37

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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.