Home / 92,969,932.80-139,454,899.20-87,301,228.80

Finding the Fourth Proportional to 92,969,932.80, 139,454,899.20 and 87,301,228.80

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Solution

The fourth proportional to 92,969,932.80, 139,454,899.20 and 87,301,228.80 is: 130,951,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,969,932.80 : 139,454,899.20 = 87,301,228.80 : x
  2. Step 2: Convert to fraction form
    92,969,932.80/139,454,899.20 = 87,301,228.80/x
  3. Step 3: Cross multiply
    92,969,932.80x = 139,454,899.20 × 87,301,228.80
  4. Step 4: Simplify right side
    92,969,932.80x = 12,174,584,062,340,136
  5. Step 5: Solve for x
    x = 12,174,584,062,340,136/92,969,932.80
  6. Step 6: Final answer
    x = 130,951,843.20

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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.