Finding the Fourth Proportional to 212,827,067.24, 293,710,069.79 and 134,482,035.02
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Solution
The fourth proportional to 212,827,067.24, 293,710,069.79 and 134,482,035.02 is: 185,590,716.45
Step by Step Solution
- Step 1: Write the proportion equation
212,827,067.24 : 293,710,069.79 = 134,482,035.02 : x - Step 2: Convert to fraction form
212,827,067.24/293,710,069.79 = 134,482,035.02/x - Step 3: Cross multiply
212,827,067.24x = 293,710,069.79 × 134,482,035.02 - Step 4: Simplify right side
212,827,067.24x = 39,498,727,889,084,464 - Step 5: Solve for x
x = 39,498,727,889,084,464/212,827,067.24 - Step 6: Final answer
x = 185,590,716.45
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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.