Home / 65,016,021.66-97,522,917.03-21,885,221.40

Finding the Fourth Proportional to 65,016,021.66, 97,522,917.03 and 21,885,221.40

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Solution

The fourth proportional to 65,016,021.66, 97,522,917.03 and 21,885,221.40 is: 32,827,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,016,021.66 : 97,522,917.03 = 21,885,221.40 : x
  2. Step 2: Convert to fraction form
    65,016,021.66/97,522,917.03 = 21,885,221.40/x
  3. Step 3: Cross multiply
    65,016,021.66x = 97,522,917.03 × 21,885,221.40
  4. Step 4: Simplify right side
    65,016,021.66x = 2,134,310,630,775,380.25
  5. Step 5: Solve for x
    x = 2,134,310,630,775,380.25/65,016,021.66
  6. Step 6: Final answer
    x = 32,827,456.62

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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.