Finding the Fourth Proportional to 48,019,472.64, 66,201,016.26 and 30,369,578.34
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Solution
The fourth proportional to 48,019,472.64, 66,201,016.26 and 30,369,578.34 is: 41,868,367.95
Step by Step Solution
- Step 1: Write the proportion equation
48,019,472.64 : 66,201,016.26 = 30,369,578.34 : x - Step 2: Convert to fraction form
48,019,472.64/66,201,016.26 = 30,369,578.34/x - Step 3: Cross multiply
48,019,472.64x = 66,201,016.26 × 30,369,578.34 - Step 4: Simplify right side
48,019,472.64x = 2,010,496,949,495,683.75 - Step 5: Solve for x
x = 2,010,496,949,495,683.75/48,019,472.64 - Step 6: Final answer
x = 41,868,367.95
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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.