Finding the Fourth Proportional to 139,656,714.01, 192,732,244.19 and 77,777,052.49
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Solution
The fourth proportional to 139,656,714.01, 192,732,244.19 and 77,777,052.49 is: 107,335,662.15
Step by Step Solution
- Step 1: Write the proportion equation
139,656,714.01 : 192,732,244.19 = 77,777,052.49 : x - Step 2: Convert to fraction form
139,656,714.01/192,732,244.19 = 77,777,052.49/x - Step 3: Cross multiply
139,656,714.01x = 192,732,244.19 × 77,777,052.49 - Step 4: Simplify right side
139,656,714.01x = 14,990,145,872,492,242 - Step 5: Solve for x
x = 14,990,145,872,492,242/139,656,714.01 - Step 6: Final answer
x = 107,335,662.15
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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.