Home / 74,264,986.80-111,397,480.20-42,414,490.80

Finding the Fourth Proportional to 74,264,986.80, 111,397,480.20 and 42,414,490.80

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Solution

The fourth proportional to 74,264,986.80, 111,397,480.20 and 42,414,490.80 is: 63,621,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,264,986.80 : 111,397,480.20 = 42,414,490.80 : x
  2. Step 2: Convert to fraction form
    74,264,986.80/111,397,480.20 = 42,414,490.80/x
  3. Step 3: Cross multiply
    74,264,986.80x = 111,397,480.20 × 42,414,490.80
  4. Step 4: Simplify right side
    74,264,986.80x = 4,724,867,399,086,082
  5. Step 5: Solve for x
    x = 4,724,867,399,086,082/74,264,986.80
  6. Step 6: Final answer
    x = 63,621,736.20

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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.