Finding the Fourth Proportional to 166,115,605.44, 229,241,940.99 and 91,777,875.69
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Solution
The fourth proportional to 166,115,605.44, 229,241,940.99 and 91,777,875.69 is: 126,654,797.47
Step by Step Solution
- Step 1: Write the proportion equation
166,115,605.44 : 229,241,940.99 = 91,777,875.69 : x - Step 2: Convert to fraction form
166,115,605.44/229,241,940.99 = 91,777,875.69/x - Step 3: Cross multiply
166,115,605.44x = 229,241,940.99 × 91,777,875.69 - Step 4: Simplify right side
166,115,605.44x = 21,039,338,363,114,536 - Step 5: Solve for x
x = 21,039,338,363,114,536/166,115,605.44 - Step 6: Final answer
x = 126,654,797.47
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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.