Finding the Fourth Proportional to 192,175,643.40, 288,271,437.18 and 55,861,026.84
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Solution
The fourth proportional to 192,175,643.40, 288,271,437.18 and 55,861,026.84 is: 83,793,857.56
Step by Step Solution
- Step 1: Write the proportion equation
192,175,643.40 : 288,271,437.18 = 55,861,026.84 : x - Step 2: Convert to fraction form
192,175,643.40/288,271,437.18 = 55,861,026.84/x - Step 3: Cross multiply
192,175,643.40x = 288,271,437.18 × 55,861,026.84 - Step 4: Simplify right side
192,175,643.40x = 16,103,138,489,517,356 - Step 5: Solve for x
x = 16,103,138,489,517,356/192,175,643.40 - Step 6: Final answer
x = 83,793,857.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.