Home / 128,309,076.40-192,463,614.60-124,529,940.40

Finding the Fourth Proportional to 128,309,076.40, 192,463,614.60 and 124,529,940.40

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Solution

The fourth proportional to 128,309,076.40, 192,463,614.60 and 124,529,940.40 is: 186,794,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,309,076.40 : 192,463,614.60 = 124,529,940.40 : x
  2. Step 2: Convert to fraction form
    128,309,076.40/192,463,614.60 = 124,529,940.40/x
  3. Step 3: Cross multiply
    128,309,076.40x = 192,463,614.60 × 124,529,940.40
  4. Step 4: Simplify right side
    128,309,076.40x = 23,967,482,455,306,572
  5. Step 5: Solve for x
    x = 23,967,482,455,306,572/128,309,076.40
  6. Step 6: Final answer
    x = 186,794,910.60

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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.