Finding the Fourth Proportional to 302,783,226.20, 454,387,415.70 and 130,383,765.80
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Solution
The fourth proportional to 302,783,226.20, 454,387,415.70 and 130,383,765.80 is: 195,667,187.82
Step by Step Solution
- Step 1: Write the proportion equation
302,783,226.20 : 454,387,415.70 = 130,383,765.80 : x - Step 2: Convert to fraction form
302,783,226.20/454,387,415.70 = 130,383,765.80/x - Step 3: Cross multiply
302,783,226.20x = 454,387,415.70 × 130,383,765.80 - Step 4: Simplify right side
302,783,226.20x = 59,244,742,391,096,040 - Step 5: Solve for x
x = 59,244,742,391,096,040/302,783,226.20 - Step 6: Final answer
x = 195,667,187.82
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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.