Home / 272,145,261.36-408,219,515.88-67,673,336.64

Finding the Fourth Proportional to 272,145,261.36, 408,219,515.88 and 67,673,336.64

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Solution

The fourth proportional to 272,145,261.36, 408,219,515.88 and 67,673,336.64 is: 101,510,408.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,145,261.36 : 408,219,515.88 = 67,673,336.64 : x
  2. Step 2: Convert to fraction form
    272,145,261.36/408,219,515.88 = 67,673,336.64/x
  3. Step 3: Cross multiply
    272,145,261.36x = 408,219,515.88 × 67,673,336.64
  4. Step 4: Simplify right side
    272,145,261.36x = 27,625,576,721,165,064
  5. Step 5: Solve for x
    x = 27,625,576,721,165,064/272,145,261.36
  6. Step 6: Final answer
    x = 101,510,408.75

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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.