Finding the Fourth Proportional to 209,881,159.68, 314,176,036.80 and 136,940,881.92
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Solution
The fourth proportional to 209,881,159.68, 314,176,036.80 and 136,940,881.92 is: 204,990,022.08
Step by Step Solution
- Step 1: Write the proportion equation
209,881,159.68 : 314,176,036.80 = 136,940,881.92 : x - Step 2: Convert to fraction form
209,881,159.68/314,176,036.80 = 136,940,881.92/x - Step 3: Cross multiply
209,881,159.68x = 314,176,036.80 × 136,940,881.92 - Step 4: Simplify right side
209,881,159.68x = 43,023,543,557,522,376 - Step 5: Solve for x
x = 43,023,543,557,522,376/209,881,159.68 - Step 6: Final answer
x = 204,990,022.08
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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.