Home / 69,759,460.42-104,645,709.08-20,575,361.66

Finding the Fourth Proportional to 69,759,460.42, 104,645,709.08 and 20,575,361.66

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Solution

The fourth proportional to 69,759,460.42, 104,645,709.08 and 20,575,361.66 is: 30,864,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,759,460.42 : 104,645,709.08 = 20,575,361.66 : x
  2. Step 2: Convert to fraction form
    69,759,460.42/104,645,709.08 = 20,575,361.66/x
  3. Step 3: Cross multiply
    69,759,460.42x = 104,645,709.08 × 20,575,361.66
  4. Step 4: Simplify right side
    69,759,460.42x = 2,153,123,310,488,145.75
  5. Step 5: Solve for x
    x = 2,153,123,310,488,145.75/69,759,460.42
  6. Step 6: Final answer
    x = 30,864,965.09

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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.