Home / 92,321,107.20-138,481,660.80-88,069,579.20

Finding the Fourth Proportional to 92,321,107.20, 138,481,660.80 and 88,069,579.20

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Solution

The fourth proportional to 92,321,107.20, 138,481,660.80 and 88,069,579.20 is: 132,104,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,321,107.20 : 138,481,660.80 = 88,069,579.20 : x
  2. Step 2: Convert to fraction form
    92,321,107.20/138,481,660.80 = 88,069,579.20/x
  3. Step 3: Cross multiply
    92,321,107.20x = 138,481,660.80 × 88,069,579.20
  4. Step 4: Simplify right side
    92,321,107.20x = 12,196,021,593,573,136
  5. Step 5: Solve for x
    x = 12,196,021,593,573,136/92,321,107.20
  6. Step 6: Final answer
    x = 132,104,368.80

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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.