Home / 57,537,049.79-86,339,625.12-21,170,978.12

Finding the Fourth Proportional to 57,537,049.79, 86,339,625.12 and 21,170,978.12

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Solution

The fourth proportional to 57,537,049.79, 86,339,625.12 and 21,170,978.12 is: 31,768,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537,049.79 : 86,339,625.12 = 21,170,978.12 : x
  2. Step 2: Convert to fraction form
    57,537,049.79/86,339,625.12 = 21,170,978.12/x
  3. Step 3: Cross multiply
    57,537,049.79x = 86,339,625.12 × 21,170,978.12
  4. Step 4: Simplify right side
    57,537,049.79x = 1,827,894,314,520,371.50
  5. Step 5: Solve for x
    x = 1,827,894,314,520,371.50/57,537,049.79
  6. Step 6: Final answer
    x = 31,768,996.17

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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.