Home / 57,537,078.48-86,339,668.20-21,171,006.84

Finding the Fourth Proportional to 57,537,078.48, 86,339,668.20 and 21,171,006.84

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Solution

The fourth proportional to 57,537,078.48, 86,339,668.20 and 21,171,006.84 is: 31,769,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537,078.48 : 86,339,668.20 = 21,171,006.84 : x
  2. Step 2: Convert to fraction form
    57,537,078.48/86,339,668.20 = 21,171,006.84/x
  3. Step 3: Cross multiply
    57,537,078.48x = 86,339,668.20 × 21,171,006.84
  4. Step 4: Simplify right side
    57,537,078.48x = 1,827,897,706,025,530.50
  5. Step 5: Solve for x
    x = 1,827,897,706,025,530.50/57,537,078.48
  6. Step 6: Final answer
    x = 31,769,039.28

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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.