Home / 74,517,293.80-111,775,914.39-19,928,460.54

Finding the Fourth Proportional to 74,517,293.80, 111,775,914.39 and 19,928,460.54

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Solution

The fourth proportional to 74,517,293.80, 111,775,914.39 and 19,928,460.54 is: 29,892,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,517,293.80 : 111,775,914.39 = 19,928,460.54 : x
  2. Step 2: Convert to fraction form
    74,517,293.80/111,775,914.39 = 19,928,460.54/x
  3. Step 3: Cross multiply
    74,517,293.80x = 111,775,914.39 × 19,928,460.54
  4. Step 4: Simplify right side
    74,517,293.80x = 2,227,521,899,243,533
  5. Step 5: Solve for x
    x = 2,227,521,899,243,533/74,517,293.80
  6. Step 6: Final answer
    x = 29,892,683.77

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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.