Home / 77,346,105.21-116,019,188.73-19,054,917.09

Finding the Fourth Proportional to 77,346,105.21, 116,019,188.73 and 19,054,917.09

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Solution

The fourth proportional to 77,346,105.21, 116,019,188.73 and 19,054,917.09 is: 28,582,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,346,105.21 : 116,019,188.73 = 19,054,917.09 : x
  2. Step 2: Convert to fraction form
    77,346,105.21/116,019,188.73 = 19,054,917.09/x
  3. Step 3: Cross multiply
    77,346,105.21x = 116,019,188.73 × 19,054,917.09
  4. Step 4: Simplify right side
    77,346,105.21x = 2,210,736,022,099,212.50
  5. Step 5: Solve for x
    x = 2,210,736,022,099,212.50/77,346,105.21
  6. Step 6: Final answer
    x = 28,582,383.25

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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.