Finding the Fourth Proportional to 84,975,163,362.45, 117,318,647,514.36 and 54,092,873,107.41
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Solution
The fourth proportional to 84,975,163,362.45, 117,318,647,514.36 and 54,092,873,107.41 is: 74,681,853,638.32
Step by Step Solution
- Step 1: Write the proportion equation
84,975,163,362.45 : 117,318,647,514.36 = 54,092,873,107.41 : x - Step 2: Convert to fraction form
84,975,163,362.45/117,318,647,514.36 = 54,092,873,107.41/x - Step 3: Cross multiply
84,975,163,362.45x = 117,318,647,514.36 × 54,092,873,107.41 - Step 4: Simplify right side
84,975,163,362.45x = 6,346,102,713,127,237,844,992 - Step 5: Solve for x
x = 6,346,102,713,127,237,844,992/84,975,163,362.45 - Step 6: Final answer
x = 74,681,853,638.32
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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.