Home / 70,595,906.20-105,899,966.49-19,477,919.54

Finding the Fourth Proportional to 70,595,906.20, 105,899,966.49 and 19,477,919.54

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Solution

The fourth proportional to 70,595,906.20, 105,899,966.49 and 19,477,919.54 is: 29,218,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,595,906.20 : 105,899,966.49 = 19,477,919.54 : x
  2. Step 2: Convert to fraction form
    70,595,906.20/105,899,966.49 = 19,477,919.54/x
  3. Step 3: Cross multiply
    70,595,906.20x = 105,899,966.49 × 19,477,919.54
  4. Step 4: Simplify right side
    70,595,906.20x = 2,062,711,026,918,708.50
  5. Step 5: Solve for x
    x = 2,062,711,026,918,708.50/70,595,906.20
  6. Step 6: Final answer
    x = 29,218,564.33

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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.