Home / 45,816,186.40-68,724,279.60-20,244,032.80

Finding the Fourth Proportional to 45,816,186.40, 68,724,279.60 and 20,244,032.80

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Solution

The fourth proportional to 45,816,186.40, 68,724,279.60 and 20,244,032.80 is: 30,366,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816,186.40 : 68,724,279.60 = 20,244,032.80 : x
  2. Step 2: Convert to fraction form
    45,816,186.40/68,724,279.60 = 20,244,032.80/x
  3. Step 3: Cross multiply
    45,816,186.40x = 68,724,279.60 × 20,244,032.80
  4. Step 4: Simplify right side
    45,816,186.40x = 1,391,256,570,378,770.75
  5. Step 5: Solve for x
    x = 1,391,256,570,378,770.75/45,816,186.40
  6. Step 6: Final answer
    x = 30,366,049.20

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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.