Home / 50,557,619.36-69,769,529.68-28,535,783.81

Finding the Fourth Proportional to 50,557,619.36, 69,769,529.68 and 28,535,783.81

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Solution

The fourth proportional to 50,557,619.36, 69,769,529.68 and 28,535,783.81 is: 39,379,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,557,619.36 : 69,769,529.68 = 28,535,783.81 : x
  2. Step 2: Convert to fraction form
    50,557,619.36/69,769,529.68 = 28,535,783.81/x
  3. Step 3: Cross multiply
    50,557,619.36x = 69,769,529.68 × 28,535,783.81
  4. Step 4: Simplify right side
    50,557,619.36x = 1,990,928,215,613,386.50
  5. Step 5: Solve for x
    x = 1,990,928,215,613,386.50/50,557,619.36
  6. Step 6: Final answer
    x = 39,379,390.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.