Finding the Fourth Proportional to 179,332,716.60, 247,471,502.57 and 99,943,553.68
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Solution
The fourth proportional to 179,332,716.60, 247,471,502.57 and 99,943,553.68 is: 137,917,842.71
Step by Step Solution
- Step 1: Write the proportion equation
179,332,716.60 : 247,471,502.57 = 99,943,553.68 : x - Step 2: Convert to fraction form
179,332,716.60/247,471,502.57 = 99,943,553.68/x - Step 3: Cross multiply
179,332,716.60x = 247,471,502.57 × 99,943,553.68 - Step 4: Simplify right side
179,332,716.60x = 24,733,181,400,631,444 - Step 5: Solve for x
x = 24,733,181,400,631,444/179,332,716.60 - Step 6: Final answer
x = 137,917,842.71
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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.