Finding the Fourth Proportional to 78,314,495,297.49, 117,351,844,060.80 and 52,693,745,165.31
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Solution
The fourth proportional to 78,314,495,297.49, 117,351,844,060.80 and 52,693,745,165.31 is: 78,959,944,032.45
Step by Step Solution
- Step 1: Write the proportion equation
78,314,495,297.49 : 117,351,844,060.80 = 52,693,745,165.31 : x - Step 2: Convert to fraction form
78,314,495,297.49/117,351,844,060.80 = 52,693,745,165.31/x - Step 3: Cross multiply
78,314,495,297.49x = 117,351,844,060.80 × 52,693,745,165.31 - Step 4: Simplify right side
78,314,495,297.49x = 6,183,708,165,618,992,676,864 - Step 5: Solve for x
x = 6,183,708,165,618,992,676,864/78,314,495,297.49 - Step 6: Final answer
x = 78,959,944,032.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.