Finding the Fourth Proportional to 94,657,051.74, 129,679,556.49 and 91,117,326.64
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Solution
The fourth proportional to 94,657,051.74, 129,679,556.49 and 91,117,326.64 is: 124,830,155.70
Step by Step Solution
- Step 1: Write the proportion equation
94,657,051.74 : 129,679,556.49 = 91,117,326.64 : x - Step 2: Convert to fraction form
94,657,051.74/129,679,556.49 = 91,117,326.64/x - Step 3: Cross multiply
94,657,051.74x = 129,679,556.49 × 91,117,326.64 - Step 4: Simplify right side
94,657,051.74x = 11,816,054,507,229,662 - Step 5: Solve for x
x = 11,816,054,507,229,662/94,657,051.74 - Step 6: Final answer
x = 124,830,155.70
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.