Finding the Fourth Proportional to 138,752,918.94, 207,902,322.81 and 83,999,548.02
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Solution
The fourth proportional to 138,752,918.94, 207,902,322.81 and 83,999,548.02 is: 125,861,864.97
Step by Step Solution
- Step 1: Write the proportion equation
138,752,918.94 : 207,902,322.81 = 83,999,548.02 : x - Step 2: Convert to fraction form
138,752,918.94/207,902,322.81 = 83,999,548.02/x - Step 3: Cross multiply
138,752,918.94x = 207,902,322.81 × 83,999,548.02 - Step 4: Simplify right side
138,752,918.94x = 17,463,701,148,348,136 - Step 5: Solve for x
x = 17,463,701,148,348,136/138,752,918.94 - Step 6: Final answer
x = 125,861,864.97
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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.