Home / 57,564,156.40-86,336,776.63-20,668,408.54

Finding the Fourth Proportional to 57,564,156.40, 86,336,776.63 and 20,668,408.54

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Solution

The fourth proportional to 57,564,156.40, 86,336,776.63 and 20,668,408.54 is: 30,999,216.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,564,156.40 : 86,336,776.63 = 20,668,408.54 : x
  2. Step 2: Convert to fraction form
    57,564,156.40/86,336,776.63 = 20,668,408.54/x
  3. Step 3: Cross multiply
    57,564,156.40x = 86,336,776.63 × 20,668,408.54
  4. Step 4: Simplify right side
    57,564,156.40x = 1,784,443,771,415,564.25
  5. Step 5: Solve for x
    x = 1,784,443,771,415,564.25/57,564,156.40
  6. Step 6: Final answer
    x = 30,999,216.93

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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.