Home / 290,764,659.63-436,150,788.41-96,676,074.81

Finding the Fourth Proportional to 290,764,659.63, 436,150,788.41 and 96,676,074.81

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Solution

The fourth proportional to 290,764,659.63, 436,150,788.41 and 96,676,074.81 is: 145,015,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,764,659.63 : 436,150,788.41 = 96,676,074.81 : x
  2. Step 2: Convert to fraction form
    290,764,659.63/436,150,788.41 = 96,676,074.81/x
  3. Step 3: Cross multiply
    290,764,659.63x = 436,150,788.41 × 96,676,074.81
  4. Step 4: Simplify right side
    290,764,659.63x = 42,165,346,248,765,648
  5. Step 5: Solve for x
    x = 42,165,346,248,765,648/290,764,659.63
  6. Step 6: Final answer
    x = 145,015,375.33

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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.