Home / 107,802,137.20-161,703,205.80-90,796,025.20

Finding the Fourth Proportional to 107,802,137.20, 161,703,205.80 and 90,796,025.20

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Solution

The fourth proportional to 107,802,137.20, 161,703,205.80 and 90,796,025.20 is: 136,194,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,137.20 : 161,703,205.80 = 90,796,025.20 : x
  2. Step 2: Convert to fraction form
    107,802,137.20/161,703,205.80 = 90,796,025.20/x
  3. Step 3: Cross multiply
    107,802,137.20x = 161,703,205.80 × 90,796,025.20
  4. Step 4: Simplify right side
    107,802,137.20x = 14,682,008,348,737,588
  5. Step 5: Solve for x
    x = 14,682,008,348,737,588/107,802,137.20
  6. Step 6: Final answer
    x = 136,194,037.80

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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.