Home / 54,191,930.57-81,269,673.62-19,641,099.90

Finding the Fourth Proportional to 54,191,930.57, 81,269,673.62 and 19,641,099.90

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Solution

The fourth proportional to 54,191,930.57, 81,269,673.62 and 19,641,099.90 is: 29,455,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,191,930.57 : 81,269,673.62 = 19,641,099.90 : x
  2. Step 2: Convert to fraction form
    54,191,930.57/81,269,673.62 = 19,641,099.90/x
  3. Step 3: Cross multiply
    54,191,930.57x = 81,269,673.62 × 19,641,099.90
  4. Step 4: Simplify right side
    54,191,930.57x = 1,596,225,778,312,609
  5. Step 5: Solve for x
    x = 1,596,225,778,312,609/54,191,930.57
  6. Step 6: Final answer
    x = 29,455,045.46

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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.