Home / 69,379,948.80-104,069,923.20-66,734,553.60

Finding the Fourth Proportional to 69,379,948.80, 104,069,923.20 and 66,734,553.60

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Solution

The fourth proportional to 69,379,948.80, 104,069,923.20 and 66,734,553.60 is: 100,101,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,379,948.80 : 104,069,923.20 = 66,734,553.60 : x
  2. Step 2: Convert to fraction form
    69,379,948.80/104,069,923.20 = 66,734,553.60/x
  3. Step 3: Cross multiply
    69,379,948.80x = 104,069,923.20 × 66,734,553.60
  4. Step 4: Simplify right side
    69,379,948.80x = 6,945,059,867,938,284
  5. Step 5: Solve for x
    x = 6,945,059,867,938,284/69,379,948.80
  6. Step 6: Final answer
    x = 100,101,830.40

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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.