Finding the Fourth Proportional to 151,389,268.68, 208,917,274.75 and 81,774,649.94
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Solution
The fourth proportional to 151,389,268.68, 208,917,274.75 and 81,774,649.94 is: 112,849,062.28
Step by Step Solution
- Step 1: Write the proportion equation
151,389,268.68 : 208,917,274.75 = 81,774,649.94 : x - Step 2: Convert to fraction form
151,389,268.68/208,917,274.75 = 81,774,649.94/x - Step 3: Cross multiply
151,389,268.68x = 208,917,274.75 × 81,774,649.94 - Step 4: Simplify right side
151,389,268.68x = 17,084,137,009,417,906 - Step 5: Solve for x
x = 17,084,137,009,417,906/151,389,268.68 - Step 6: Final answer
x = 112,849,062.28
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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.