Home / 91,424,991.77-137,137,111.06-33,119,016.81

Finding the Fourth Proportional to 91,424,991.77, 137,137,111.06 and 33,119,016.81

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Solution

The fourth proportional to 91,424,991.77, 137,137,111.06 and 33,119,016.81 is: 49,678,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,424,991.77 : 137,137,111.06 = 33,119,016.81 : x
  2. Step 2: Convert to fraction form
    91,424,991.77/137,137,111.06 = 33,119,016.81/x
  3. Step 3: Cross multiply
    91,424,991.77x = 137,137,111.06 × 33,119,016.81
  4. Step 4: Simplify right side
    91,424,991.77x = 4,541,846,286,470,977
  5. Step 5: Solve for x
    x = 4,541,846,286,470,977/91,424,991.77
  6. Step 6: Final answer
    x = 49,678,388.79

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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.