Home / 90,442,858.77-135,664,362.68-22,285,557.81

Finding the Fourth Proportional to 90,442,858.77, 135,664,362.68 and 22,285,557.81

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Solution

The fourth proportional to 90,442,858.77, 135,664,362.68 and 22,285,557.81 is: 33,428,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,442,858.77 : 135,664,362.68 = 22,285,557.81 : x
  2. Step 2: Convert to fraction form
    90,442,858.77/135,664,362.68 = 22,285,557.81/x
  3. Step 3: Cross multiply
    90,442,858.77x = 135,664,362.68 × 22,285,557.81
  4. Step 4: Simplify right side
    90,442,858.77x = 3,023,355,997,150,519
  5. Step 5: Solve for x
    x = 3,023,355,997,150,519/90,442,858.77
  6. Step 6: Final answer
    x = 33,428,355.08

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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.