Finding the Fourth Proportional to 177,119,258.20, 265,728,653.70 and 86,245,811.80
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Solution
The fourth proportional to 177,119,258.20, 265,728,653.70 and 86,245,811.80 is: 129,392,950.77
Step by Step Solution
- Step 1: Write the proportion equation
177,119,258.20 : 265,728,653.70 = 86,245,811.80 : x - Step 2: Convert to fraction form
177,119,258.20/265,728,653.70 = 86,245,811.80/x - Step 3: Cross multiply
177,119,258.20x = 265,728,653.70 × 86,245,811.80 - Step 4: Simplify right side
177,119,258.20x = 22,917,983,456,877,572 - Step 5: Solve for x
x = 22,917,983,456,877,572/177,119,258.20 - Step 6: Final answer
x = 129,392,950.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.