Finding the Fourth Proportional to 84,975,163,852.14, 117,318,648,198.82 and 54,092,873,594.25
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Solution
The fourth proportional to 84,975,163,852.14, 117,318,648,198.82 and 54,092,873,594.25 is: 74,681,854,315.80
Step by Step Solution
- Step 1: Write the proportion equation
84,975,163,852.14 : 117,318,648,198.82 = 54,092,873,594.25 : x - Step 2: Convert to fraction form
84,975,163,852.14/117,318,648,198.82 = 54,092,873,594.25/x - Step 3: Cross multiply
84,975,163,852.14x = 117,318,648,198.82 × 54,092,873,594.25 - Step 4: Simplify right side
84,975,163,852.14x = 6,346,102,807,266,821,406,720 - Step 5: Solve for x
x = 6,346,102,807,266,821,406,720/84,975,163,852.14 - Step 6: Final answer
x = 74,681,854,315.80
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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.