Home / 128,015,999.10-192,023,998.65-32,277,887.10

Finding the Fourth Proportional to 128,015,999.10, 192,023,998.65 and 32,277,887.10

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Solution

The fourth proportional to 128,015,999.10, 192,023,998.65 and 32,277,887.10 is: 48,416,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,015,999.10 : 192,023,998.65 = 32,277,887.10 : x
  2. Step 2: Convert to fraction form
    128,015,999.10/192,023,998.65 = 32,277,887.10/x
  3. Step 3: Cross multiply
    128,015,999.10x = 192,023,998.65 × 32,277,887.10
  4. Step 4: Simplify right side
    128,015,999.10x = 6,198,128,948,915,253
  5. Step 5: Solve for x
    x = 6,198,128,948,915,253/128,015,999.10
  6. Step 6: Final answer
    x = 48,416,830.65

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1.5x scale

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.