Home / 217,999,221.12-327,061,948.88-64,648,968.08

Finding the Fourth Proportional to 217,999,221.12, 327,061,948.88 and 64,648,968.08

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Solution

The fourth proportional to 217,999,221.12, 327,061,948.88 and 64,648,968.08 is: 96,992,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,999,221.12 : 327,061,948.88 = 64,648,968.08 : x
  2. Step 2: Convert to fraction form
    217,999,221.12/327,061,948.88 = 64,648,968.08/x
  3. Step 3: Cross multiply
    217,999,221.12x = 327,061,948.88 × 64,648,968.08
  4. Step 4: Simplify right side
    217,999,221.12x = 21,144,217,493,325,712
  5. Step 5: Solve for x
    x = 21,144,217,493,325,712/217,999,221.12
  6. Step 6: Final answer
    x = 96,992,169.90

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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.