Home / 54,455,000.10-81,682,500.15-42,125,568.90

Finding the Fourth Proportional to 54,455,000.10, 81,682,500.15 and 42,125,568.90

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Solution

The fourth proportional to 54,455,000.10, 81,682,500.15 and 42,125,568.90 is: 63,188,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,455,000.10 : 81,682,500.15 = 42,125,568.90 : x
  2. Step 2: Convert to fraction form
    54,455,000.10/81,682,500.15 = 42,125,568.90/x
  3. Step 3: Cross multiply
    54,455,000.10x = 81,682,500.15 × 42,125,568.90
  4. Step 4: Simplify right side
    54,455,000.10x = 3,440,921,787,993,085.50
  5. Step 5: Solve for x
    x = 3,440,921,787,993,085.50/54,455,000.10
  6. Step 6: Final answer
    x = 63,188,353.35

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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.