Home / 67,232,221.40-100,848,332.10-61,492,658.60

Finding the Fourth Proportional to 67,232,221.40, 100,848,332.10 and 61,492,658.60

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Solution

The fourth proportional to 67,232,221.40, 100,848,332.10 and 61,492,658.60 is: 92,238,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,232,221.40 : 100,848,332.10 = 61,492,658.60 : x
  2. Step 2: Convert to fraction form
    67,232,221.40/100,848,332.10 = 61,492,658.60/x
  3. Step 3: Cross multiply
    67,232,221.40x = 100,848,332.10 × 61,492,658.60
  4. Step 4: Simplify right side
    67,232,221.40x = 6,201,432,056,204,721
  5. Step 5: Solve for x
    x = 6,201,432,056,204,721/67,232,221.40
  6. Step 6: Final answer
    x = 92,238,987.90

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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.