Finding the Fourth Proportional to 284,439,227.74, 392,557,990.08 and 160,687,876.48
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Solution
The fourth proportional to 284,439,227.74, 392,557,990.08 and 160,687,876.48 is: 221,767,265.80
Step by Step Solution
- Step 1: Write the proportion equation
284,439,227.74 : 392,557,990.08 = 160,687,876.48 : x - Step 2: Convert to fraction form
284,439,227.74/392,557,990.08 = 160,687,876.48/x - Step 3: Cross multiply
284,439,227.74x = 392,557,990.08 × 160,687,876.48 - Step 4: Simplify right side
284,439,227.74x = 63,079,309,821,212,096 - Step 5: Solve for x
x = 63,079,309,821,212,096/284,439,227.74 - Step 6: Final answer
x = 221,767,265.80
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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.