Home / 57,489,796.46-85,794,716.40-51,355,640.54

Finding the Fourth Proportional to 57,489,796.46, 85,794,716.40 and 51,355,640.54

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Solution

The fourth proportional to 57,489,796.46, 85,794,716.40 and 51,355,640.54 is: 76,640,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,489,796.46 : 85,794,716.40 = 51,355,640.54 : x
  2. Step 2: Convert to fraction form
    57,489,796.46/85,794,716.40 = 51,355,640.54/x
  3. Step 3: Cross multiply
    57,489,796.46x = 85,794,716.40 × 51,355,640.54
  4. Step 4: Simplify right side
    57,489,796.46x = 4,406,042,615,669,643
  5. Step 5: Solve for x
    x = 4,406,042,615,669,643/57,489,796.46
  6. Step 6: Final answer
    x = 76,640,428.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.