Finding the Fourth Proportional to 206,276,691.20, 284,661,979.20 and 113,464,259.84
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Solution
The fourth proportional to 206,276,691.20, 284,661,979.20 and 113,464,259.84 is: 156,580,758.53
Step by Step Solution
- Step 1: Write the proportion equation
206,276,691.20 : 284,661,979.20 = 113,464,259.84 : x - Step 2: Convert to fraction form
206,276,691.20/284,661,979.20 = 113,464,259.84/x - Step 3: Cross multiply
206,276,691.20x = 284,661,979.20 × 113,464,259.84 - Step 4: Simplify right side
206,276,691.20x = 32,298,960,774,517,476 - Step 5: Solve for x
x = 32,298,960,774,517,476/206,276,691.20 - Step 6: Final answer
x = 156,580,758.53
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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.