Home / 69,482,750.79-104,224,874.58-20,961,024.96

Finding the Fourth Proportional to 69,482,750.79, 104,224,874.58 and 20,961,024.96

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Solution

The fourth proportional to 69,482,750.79, 104,224,874.58 and 20,961,024.96 is: 31,441,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,482,750.79 : 104,224,874.58 = 20,961,024.96 : x
  2. Step 2: Convert to fraction form
    69,482,750.79/104,224,874.58 = 20,961,024.96/x
  3. Step 3: Cross multiply
    69,482,750.79x = 104,224,874.58 × 20,961,024.96
  4. Step 4: Simplify right side
    69,482,750.79x = 2,184,660,197,524,249.50
  5. Step 5: Solve for x
    x = 2,184,660,197,524,249.50/69,482,750.79
  6. Step 6: Final answer
    x = 31,441,763.21

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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.