Finding the Fourth Proportional to 151,389,270, 208,917,276.55 and 81,774,651.26
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Solution
The fourth proportional to 151,389,270, 208,917,276.55 and 81,774,651.26 is: 112,849,064.09
Step by Step Solution
- Step 1: Write the proportion equation
151,389,270 : 208,917,276.55 = 81,774,651.26 : x - Step 2: Convert to fraction form
151,389,270/208,917,276.55 = 81,774,651.26/x - Step 3: Cross multiply
151,389,270x = 208,917,276.55 × 81,774,651.26 - Step 4: Simplify right side
151,389,270x = 17,084,137,432,383,084 - Step 5: Solve for x
x = 17,084,137,432,383,084/151,389,270 - Step 6: Final answer
x = 112,849,064.09
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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.