Home / 162,420,515.15-224,149,790.84-91,862,380.64

Finding the Fourth Proportional to 162,420,515.15, 224,149,790.84 and 91,862,380.64

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Solution

The fourth proportional to 162,420,515.15, 224,149,790.84 and 91,862,380.64 is: 126,775,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,420,515.15 : 224,149,790.84 = 91,862,380.64 : x
  2. Step 2: Convert to fraction form
    162,420,515.15/224,149,790.84 = 91,862,380.64/x
  3. Step 3: Cross multiply
    162,420,515.15x = 224,149,790.84 × 91,862,380.64
  4. Step 4: Simplify right side
    162,420,515.15x = 20,590,933,404,940,408
  5. Step 5: Solve for x
    x = 20,590,933,404,940,408/162,420,515.15
  6. Step 6: Final answer
    x = 126,775,446.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.