Home / 69,771,086.64-104,648,657.94-18,657,091.26

Finding the Fourth Proportional to 69,771,086.64, 104,648,657.94 and 18,657,091.26

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Solution

The fourth proportional to 69,771,086.64, 104,648,657.94 and 18,657,091.26 is: 27,983,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,771,086.64 : 104,648,657.94 = 18,657,091.26 : x
  2. Step 2: Convert to fraction form
    69,771,086.64/104,648,657.94 = 18,657,091.26/x
  3. Step 3: Cross multiply
    69,771,086.64x = 104,648,657.94 × 18,657,091.26
  4. Step 4: Simplify right side
    69,771,086.64x = 1,952,439,561,423,103.75
  5. Step 5: Solve for x
    x = 1,952,439,561,423,103.75/69,771,086.64
  6. Step 6: Final answer
    x = 27,983,505.14

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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.