Finding the Fourth Proportional to 136,937,655.08, 188,993,342.77 and 84,743,505.26
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Solution
The fourth proportional to 136,937,655.08, 188,993,342.77 and 84,743,505.26 is: 116,958,029.75
Step by Step Solution
- Step 1: Write the proportion equation
136,937,655.08 : 188,993,342.77 = 84,743,505.26 : x - Step 2: Convert to fraction form
136,937,655.08/188,993,342.77 = 84,743,505.26/x - Step 3: Cross multiply
136,937,655.08x = 188,993,342.77 × 84,743,505.26 - Step 4: Simplify right side
136,937,655.08x = 16,015,958,335,977,652 - Step 5: Solve for x
x = 16,015,958,335,977,652/136,937,655.08 - Step 6: Final answer
x = 116,958,029.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.