Finding the Fourth Proportional to 118,284,484.49, 163,232,579.03 and 66,073,519.49
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Solution
The fourth proportional to 118,284,484.49, 163,232,579.03 and 66,073,519.49 is: 91,181,451.55
Step by Step Solution
- Step 1: Write the proportion equation
118,284,484.49 : 163,232,579.03 = 66,073,519.49 : x - Step 2: Convert to fraction form
118,284,484.49/163,232,579.03 = 66,073,519.49/x - Step 3: Cross multiply
118,284,484.49x = 163,232,579.03 × 66,073,519.49 - Step 4: Simplify right side
118,284,484.49x = 10,785,350,991,611,304 - Step 5: Solve for x
x = 10,785,350,991,611,304/118,284,484.49 - Step 6: Final answer
x = 91,181,451.55
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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.