Finding the Fourth Proportional to 219,246,131.34, 302,535,250.80 and 121,436,492.94
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Solution
The fourth proportional to 219,246,131.34, 302,535,250.80 and 121,436,492.94 is: 167,568,839.75
Step by Step Solution
- Step 1: Write the proportion equation
219,246,131.34 : 302,535,250.80 = 121,436,492.94 : x - Step 2: Convert to fraction form
219,246,131.34/302,535,250.80 = 121,436,492.94/x - Step 3: Cross multiply
219,246,131.34x = 302,535,250.80 × 121,436,492.94 - Step 4: Simplify right side
219,246,131.34x = 36,738,819,847,875,328 - Step 5: Solve for x
x = 36,738,819,847,875,328/219,246,131.34 - Step 6: Final answer
x = 167,568,839.75
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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.