Finding the Fourth Proportional to 177,726,514.85, 245,263,477.79 and 99,410,068.13
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Solution
The fourth proportional to 177,726,514.85, 245,263,477.79 and 99,410,068.13 is: 137,186,390.32
Step by Step Solution
- Step 1: Write the proportion equation
177,726,514.85 : 245,263,477.79 = 99,410,068.13 : x - Step 2: Convert to fraction form
177,726,514.85/245,263,477.79 = 99,410,068.13/x - Step 3: Cross multiply
177,726,514.85x = 245,263,477.79 × 99,410,068.13 - Step 4: Simplify right side
177,726,514.85x = 24,381,659,036,407,588 - Step 5: Solve for x
x = 24,381,659,036,407,588/177,726,514.85 - Step 6: Final answer
x = 137,186,390.32
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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.