Home / 57,537,047.41-86,339,621.56-21,170,975.73

Finding the Fourth Proportional to 57,537,047.41, 86,339,621.56 and 21,170,975.73

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Solution

The fourth proportional to 57,537,047.41, 86,339,621.56 and 21,170,975.73 is: 31,768,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537,047.41 : 86,339,621.56 = 21,170,975.73 : x
  2. Step 2: Convert to fraction form
    57,537,047.41/86,339,621.56 = 21,170,975.73/x
  3. Step 3: Cross multiply
    57,537,047.41x = 86,339,621.56 × 21,170,975.73
  4. Step 4: Simplify right side
    57,537,047.41x = 1,827,894,032,584,144.75
  5. Step 5: Solve for x
    x = 1,827,894,032,584,144.75/57,537,047.41
  6. Step 6: Final answer
    x = 31,768,992.59

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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.