Home / 173,728,172.66-260,636,367.84-80,422,412

Finding the Fourth Proportional to 173,728,172.66, 260,636,367.84 and 80,422,412

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Solution

The fourth proportional to 173,728,172.66, 260,636,367.84 and 80,422,412 is: 120,654,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,728,172.66 : 260,636,367.84 = 80,422,412 : x
  2. Step 2: Convert to fraction form
    173,728,172.66/260,636,367.84 = 80,422,412/x
  3. Step 3: Cross multiply
    173,728,172.66x = 260,636,367.84 × 80,422,412
  4. Step 4: Simplify right side
    173,728,172.66x = 20,961,005,356,612,032
  5. Step 5: Solve for x
    x = 20,961,005,356,612,032/173,728,172.66
  6. Step 6: Final answer
    x = 120,654,036.91

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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.