Finding the Fourth Proportional to 113,851,651.74, 157,113,403.83 and 61,640,269.98
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Solution
The fourth proportional to 113,851,651.74, 157,113,403.83 and 61,640,269.98 is: 85,062,557.12
Step by Step Solution
- Step 1: Write the proportion equation
113,851,651.74 : 157,113,403.83 = 61,640,269.98 : x - Step 2: Convert to fraction form
113,851,651.74/157,113,403.83 = 61,640,269.98/x - Step 3: Cross multiply
113,851,651.74x = 157,113,403.83 × 61,640,269.98 - Step 4: Simplify right side
113,851,651.74x = 9,684,512,629,557,966 - Step 5: Solve for x
x = 9,684,512,629,557,966/113,851,651.74 - Step 6: Final answer
x = 85,062,557.12
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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.