Finding the Fourth Proportional to 121,423,872.33, 182,148,566.90 and 39,549,125.97
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Solution
The fourth proportional to 121,423,872.33, 182,148,566.90 and 39,549,125.97 is: 59,327,844.51
Step by Step Solution
- Step 1: Write the proportion equation
121,423,872.33 : 182,148,566.90 = 39,549,125.97 : x - Step 2: Convert to fraction form
121,423,872.33/182,148,566.90 = 39,549,125.97/x - Step 3: Cross multiply
121,423,872.33x = 182,148,566.90 × 39,549,125.97 - Step 4: Simplify right side
121,423,872.33x = 7,203,816,617,385,327 - Step 5: Solve for x
x = 7,203,816,617,385,327/121,423,872.33 - Step 6: Final answer
x = 59,327,844.51
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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.