Finding the Fourth Proportional to 129,344,407.60, 193,733,176.20 and 114,983,690.80
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Solution
The fourth proportional to 129,344,407.60, 193,733,176.20 and 114,983,690.80 is: 172,223,569.95
Step by Step Solution
- Step 1: Write the proportion equation
129,344,407.60 : 193,733,176.20 = 114,983,690.80 : x - Step 2: Convert to fraction form
129,344,407.60/193,733,176.20 = 114,983,690.80/x - Step 3: Cross multiply
129,344,407.60x = 193,733,176.20 × 114,983,690.80 - Step 4: Simplify right side
129,344,407.60x = 22,276,155,629,882,716 - Step 5: Solve for x
x = 22,276,155,629,882,716/129,344,407.60 - Step 6: Final answer
x = 172,223,569.95
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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.