Home / 128,467,771.20-192,637,893.60-46,583,380.80

Finding the Fourth Proportional to 128,467,771.20, 192,637,893.60 and 46,583,380.80

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Solution

The fourth proportional to 128,467,771.20, 192,637,893.60 and 46,583,380.80 is: 69,851,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,467,771.20 : 192,637,893.60 = 46,583,380.80 : x
  2. Step 2: Convert to fraction form
    128,467,771.20/192,637,893.60 = 46,583,380.80/x
  3. Step 3: Cross multiply
    128,467,771.20x = 192,637,893.60 × 46,583,380.80
  4. Step 4: Simplify right side
    128,467,771.20x = 8,973,724,354,078,682
  5. Step 5: Solve for x
    x = 8,973,724,354,078,682/128,467,771.20
  6. Step 6: Final answer
    x = 69,851,950.18

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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.