Finding the Fourth Proportional to 85,638,383.79, 118,160,713.53 and 48,468,663.24
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Solution
The fourth proportional to 85,638,383.79, 118,160,713.53 and 48,468,663.24 is: 66,875,290.95
Step by Step Solution
- Step 1: Write the proportion equation
85,638,383.79 : 118,160,713.53 = 48,468,663.24 : x - Step 2: Convert to fraction form
85,638,383.79/118,160,713.53 = 48,468,663.24/x - Step 3: Cross multiply
85,638,383.79x = 118,160,713.53 × 48,468,663.24 - Step 4: Simplify right side
85,638,383.79x = 5,727,091,832,283,682 - Step 5: Solve for x
x = 5,727,091,832,283,682/85,638,383.79 - Step 6: Final answer
x = 66,875,290.95
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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.