Home / 57,537,047.54-86,339,621.75-21,170,975.86

Finding the Fourth Proportional to 57,537,047.54, 86,339,621.75 and 21,170,975.86

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Solution

The fourth proportional to 57,537,047.54, 86,339,621.75 and 21,170,975.86 is: 31,768,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537,047.54 : 86,339,621.75 = 21,170,975.86 : x
  2. Step 2: Convert to fraction form
    57,537,047.54/86,339,621.75 = 21,170,975.86/x
  3. Step 3: Cross multiply
    57,537,047.54x = 86,339,621.75 × 21,170,975.86
  4. Step 4: Simplify right side
    57,537,047.54x = 1,827,894,047,509,077.25
  5. Step 5: Solve for x
    x = 1,827,894,047,509,077.25/57,537,047.54
  6. Step 6: Final answer
    x = 31,768,992.78

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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.