Finding the Fourth Proportional to 166,063,805.61, 229,168,042.99 and 89,682,056.07
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Solution
The fourth proportional to 166,063,805.61, 229,168,042.99 and 89,682,056.07 is: 123,761,232.65
Step by Step Solution
- Step 1: Write the proportion equation
166,063,805.61 : 229,168,042.99 = 89,682,056.07 : x - Step 2: Convert to fraction form
166,063,805.61/229,168,042.99 = 89,682,056.07/x - Step 3: Cross multiply
166,063,805.61x = 229,168,042.99 × 89,682,056.07 - Step 4: Simplify right side
166,063,805.61x = 20,552,261,280,881,348 - Step 5: Solve for x
x = 20,552,261,280,881,348/166,063,805.61 - Step 6: Final answer
x = 123,761,232.65
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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.