Finding the Fourth Proportional to 197,362,361.40, 272,363,283.18 and 108,052,815.48
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Solution
The fourth proportional to 197,362,361.40, 272,363,283.18 and 108,052,815.48 is: 149,114,650.70
Step by Step Solution
- Step 1: Write the proportion equation
197,362,361.40 : 272,363,283.18 = 108,052,815.48 : x - Step 2: Convert to fraction form
197,362,361.40/272,363,283.18 = 108,052,815.48/x - Step 3: Cross multiply
197,362,361.40x = 272,363,283.18 × 108,052,815.48 - Step 4: Simplify right side
197,362,361.40x = 29,429,619,580,975,528 - Step 5: Solve for x
x = 29,429,619,580,975,528/197,362,361.40 - Step 6: Final answer
x = 149,114,650.70
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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.