Home / 218,495,589.88-327,530,364.94-87,298,750.21

Finding the Fourth Proportional to 218,495,589.88, 327,530,364.94 and 87,298,750.21

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Solution

The fourth proportional to 218,495,589.88, 327,530,364.94 and 87,298,750.21 is: 130,863,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,495,589.88 : 327,530,364.94 = 87,298,750.21 : x
  2. Step 2: Convert to fraction form
    218,495,589.88/327,530,364.94 = 87,298,750.21/x
  3. Step 3: Cross multiply
    218,495,589.88x = 327,530,364.94 × 87,298,750.21
  4. Step 4: Simplify right side
    218,495,589.88x = 28,592,991,513,013,056
  5. Step 5: Solve for x
    x = 28,592,991,513,013,056/218,495,589.88
  6. Step 6: Final answer
    x = 130,863,014.35

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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.