Home / 57,215,968.50-85,841,667.44-19,827,764.94

Finding the Fourth Proportional to 57,215,968.50, 85,841,667.44 and 19,827,764.94

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Solution

The fourth proportional to 57,215,968.50, 85,841,667.44 and 19,827,764.94 is: 29,747,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215,968.50 : 85,841,667.44 = 19,827,764.94 : x
  2. Step 2: Convert to fraction form
    57,215,968.50/85,841,667.44 = 19,827,764.94/x
  3. Step 3: Cross multiply
    57,215,968.50x = 85,841,667.44 × 19,827,764.94
  4. Step 4: Simplify right side
    57,215,968.50x = 1,702,048,403,958,833
  5. Step 5: Solve for x
    x = 1,702,048,403,958,833/57,215,968.50
  6. Step 6: Final answer
    x = 29,747,786.30

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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.