Home / 60,511,329.80-90,775,289.10-20,117,601.80

Finding the Fourth Proportional to 60,511,329.80, 90,775,289.10 and 20,117,601.80

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Solution

The fourth proportional to 60,511,329.80, 90,775,289.10 and 20,117,601.80 is: 30,179,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,511,329.80 : 90,775,289.10 = 20,117,601.80 : x
  2. Step 2: Convert to fraction form
    60,511,329.80/90,775,289.10 = 20,117,601.80/x
  3. Step 3: Cross multiply
    60,511,329.80x = 90,775,289.10 × 20,117,601.80
  4. Step 4: Simplify right side
    60,511,329.80x = 1,826,181,119,393,680.25
  5. Step 5: Solve for x
    x = 1,826,181,119,393,680.25/60,511,329.80
  6. Step 6: Final answer
    x = 30,179,160.26

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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.