Finding the Fourth Proportional to 131,988,612.24, 182,061,433.08 and 78,305,266.08
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Solution
The fourth proportional to 131,988,612.24, 182,061,433.08 and 78,305,266.08 is: 108,012,113.46
Step by Step Solution
- Step 1: Write the proportion equation
131,988,612.24 : 182,061,433.08 = 78,305,266.08 : x - Step 2: Convert to fraction form
131,988,612.24/182,061,433.08 = 78,305,266.08/x - Step 3: Cross multiply
131,988,612.24x = 182,061,433.08 × 78,305,266.08 - Step 4: Simplify right side
131,988,612.24x = 14,256,368,960,235,514 - Step 5: Solve for x
x = 14,256,368,960,235,514/131,988,612.24 - Step 6: Final answer
x = 108,012,113.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.