Home / 218,495,576.25-327,530,344.50-87,298,736.58

Finding the Fourth Proportional to 218,495,576.25, 327,530,344.50 and 87,298,736.58

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Solution

The fourth proportional to 218,495,576.25, 327,530,344.50 and 87,298,736.58 is: 130,862,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,495,576.25 : 327,530,344.50 = 87,298,736.58 : x
  2. Step 2: Convert to fraction form
    218,495,576.25/327,530,344.50 = 87,298,736.58/x
  3. Step 3: Cross multiply
    218,495,576.25x = 327,530,344.50 × 87,298,736.58
  4. Step 4: Simplify right side
    218,495,576.25x = 28,592,985,266,462,152
  5. Step 5: Solve for x
    x = 28,592,985,266,462,152/218,495,576.25
  6. Step 6: Final answer
    x = 130,862,993.92

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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.