Finding the Fourth Proportional to 137,308,752.62, 189,305,770.98 and 99,085,806.48
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Solution
The fourth proportional to 137,308,752.62, 189,305,770.98 and 99,085,806.48 is: 136,608,297.95
Step by Step Solution
- Step 1: Write the proportion equation
137,308,752.62 : 189,305,770.98 = 99,085,806.48 : x - Step 2: Convert to fraction form
137,308,752.62/189,305,770.98 = 99,085,806.48/x - Step 3: Cross multiply
137,308,752.62x = 189,305,770.98 × 99,085,806.48 - Step 4: Simplify right side
137,308,752.62x = 18,757,514,988,871,480 - Step 5: Solve for x
x = 18,757,514,988,871,480/137,308,752.62 - Step 6: Final answer
x = 136,608,297.95
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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.