Finding the Fourth Proportional to 81,976,569.16, 113,127,470.22 and 46,694,368.84
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Solution
The fourth proportional to 81,976,569.16, 113,127,470.22 and 46,694,368.84 is: 64,438,117.80
Step by Step Solution
- Step 1: Write the proportion equation
81,976,569.16 : 113,127,470.22 = 46,694,368.84 : x - Step 2: Convert to fraction form
81,976,569.16/113,127,470.22 = 46,694,368.84/x - Step 3: Cross multiply
81,976,569.16x = 113,127,470.22 × 46,694,368.84 - Step 4: Simplify right side
81,976,569.16x = 5,282,415,820,388,796 - Step 5: Solve for x
x = 5,282,415,820,388,796/81,976,569.16 - Step 6: Final answer
x = 64,438,117.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.