Home / 69,482,748.30-104,224,870.82-20,961,022.48

Finding the Fourth Proportional to 69,482,748.30, 104,224,870.82 and 20,961,022.48

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Solution

The fourth proportional to 69,482,748.30, 104,224,870.82 and 20,961,022.48 is: 31,441,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,482,748.30 : 104,224,870.82 = 20,961,022.48 : x
  2. Step 2: Convert to fraction form
    69,482,748.30/104,224,870.82 = 20,961,022.48/x
  3. Step 3: Cross multiply
    69,482,748.30x = 104,224,870.82 × 20,961,022.48
  4. Step 4: Simplify right side
    69,482,748.30x = 2,184,659,859,607,186.75
  5. Step 5: Solve for x
    x = 2,184,659,859,607,186.75/69,482,748.30
  6. Step 6: Final answer
    x = 31,441,759.47

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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.