Finding the Fourth Proportional to 140,273,492.94, 193,583,398.56 and 78,393,829.68
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Solution
The fourth proportional to 140,273,492.94, 193,583,398.56 and 78,393,829.68 is: 108,186,826.02
Step by Step Solution
- Step 1: Write the proportion equation
140,273,492.94 : 193,583,398.56 = 78,393,829.68 : x - Step 2: Convert to fraction form
140,273,492.94/193,583,398.56 = 78,393,829.68/x - Step 3: Cross multiply
140,273,492.94x = 193,583,398.56 × 78,393,829.68 - Step 4: Simplify right side
140,273,492.94x = 15,175,743,975,588,198 - Step 5: Solve for x
x = 15,175,743,975,588,198/140,273,492.94 - Step 6: Final answer
x = 108,186,826.02
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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.