Finding the Fourth Proportional to 136,972,539.64, 189,022,058.22 and 75,091,550.68
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Solution
The fourth proportional to 136,972,539.64, 189,022,058.22 and 75,091,550.68 is: 103,626,314.46
Step by Step Solution
- Step 1: Write the proportion equation
136,972,539.64 : 189,022,058.22 = 75,091,550.68 : x - Step 2: Convert to fraction form
136,972,539.64/189,022,058.22 = 75,091,550.68/x - Step 3: Cross multiply
136,972,539.64x = 189,022,058.22 × 75,091,550.68 - Step 4: Simplify right side
136,972,539.64x = 14,193,959,464,465,042 - Step 5: Solve for x
x = 14,193,959,464,465,042/136,972,539.64 - Step 6: Final answer
x = 103,626,314.46
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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.