Home / 128,451,215.54-192,633,639.55-46,552,950.72

Finding the Fourth Proportional to 128,451,215.54, 192,633,639.55 and 46,552,950.72

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Solution

The fourth proportional to 128,451,215.54, 192,633,639.55 and 46,552,950.72 is: 69,813,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,451,215.54 : 192,633,639.55 = 46,552,950.72 : x
  2. Step 2: Convert to fraction form
    128,451,215.54/192,633,639.55 = 46,552,950.72/x
  3. Step 3: Cross multiply
    128,451,215.54x = 192,633,639.55 × 46,552,950.72
  4. Step 4: Simplify right side
    128,451,215.54x = 8,967,664,328,869,011
  5. Step 5: Solve for x
    x = 8,967,664,328,869,011/128,451,215.54
  6. Step 6: Final answer
    x = 69,813,775.53

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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.