Finding the Fourth Proportional to 307,375,964.70, 424,177,563.06 and 166,247,342.70
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Solution
The fourth proportional to 307,375,964.70, 424,177,563.06 and 166,247,342.70 is: 229,420,646.99
Step by Step Solution
- Step 1: Write the proportion equation
307,375,964.70 : 424,177,563.06 = 166,247,342.70 : x - Step 2: Convert to fraction form
307,375,964.70/424,177,563.06 = 166,247,342.70/x - Step 3: Cross multiply
307,375,964.70x = 424,177,563.06 × 166,247,342.70 - Step 4: Simplify right side
307,375,964.70x = 70,518,392,691,686,680 - Step 5: Solve for x
x = 70,518,392,691,686,680/307,375,964.70 - Step 6: Final answer
x = 229,420,646.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.