Finding the Fourth Proportional to 151,816,053.54, 209,349,569.87 and 129,862,232.58
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Solution
The fourth proportional to 151,816,053.54, 209,349,569.87 and 129,862,232.58 is: 179,075,940.26
Step by Step Solution
- Step 1: Write the proportion equation
151,816,053.54 : 209,349,569.87 = 129,862,232.58 : x - Step 2: Convert to fraction form
151,816,053.54/209,349,569.87 = 129,862,232.58/x - Step 3: Cross multiply
151,816,053.54x = 209,349,569.87 × 129,862,232.58 - Step 4: Simplify right side
151,816,053.54x = 27,186,602,534,333,460 - Step 5: Solve for x
x = 27,186,602,534,333,460/151,816,053.54 - Step 6: Final answer
x = 179,075,940.26
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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.