Finding the Fourth Proportional to 198,943,683.96, 274,535,845.45 and 114,184,753.99
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Solution
The fourth proportional to 198,943,683.96, 274,535,845.45 and 114,184,753.99 is: 157,571,265.14
Step by Step Solution
- Step 1: Write the proportion equation
198,943,683.96 : 274,535,845.45 = 114,184,753.99 : x - Step 2: Convert to fraction form
198,943,683.96/274,535,845.45 = 114,184,753.99/x - Step 3: Cross multiply
198,943,683.96x = 274,535,845.45 × 114,184,753.99 - Step 4: Simplify right side
198,943,683.96x = 31,347,807,973,173,108 - Step 5: Solve for x
x = 31,347,807,973,173,108/198,943,683.96 - Step 6: Final answer
x = 157,571,265.14
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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.