Finding the Fourth Proportional to 86,364,436.42, 129,569,343.36 and 31,037,857.44
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Solution
The fourth proportional to 86,364,436.42, 129,569,343.36 and 31,037,857.44 is: 46,564,940.09
Step by Step Solution
- Step 1: Write the proportion equation
86,364,436.42 : 129,569,343.36 = 31,037,857.44 : x - Step 2: Convert to fraction form
86,364,436.42/129,569,343.36 = 31,037,857.44/x - Step 3: Cross multiply
86,364,436.42x = 129,569,343.36 × 31,037,857.44 - Step 4: Simplify right side
86,364,436.42x = 4,021,554,807,802,091 - Step 5: Solve for x
x = 4,021,554,807,802,091/86,364,436.42 - Step 6: Final answer
x = 46,564,940.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.