Finding the Fourth Proportional to 198,896,239.08, 274,479,653.55 and 114,137,170.42
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Solution
The fourth proportional to 198,896,239.08, 274,479,653.55 and 114,137,170.42 is: 157,510,927.00
Step by Step Solution
- Step 1: Write the proportion equation
198,896,239.08 : 274,479,653.55 = 114,137,170.42 : x - Step 2: Convert to fraction form
198,896,239.08/274,479,653.55 = 114,137,170.42/x - Step 3: Cross multiply
198,896,239.08x = 274,479,653.55 × 114,137,170.42 - Step 4: Simplify right side
198,896,239.08x = 31,328,330,994,058,908 - Step 5: Solve for x
x = 31,328,330,994,058,908/198,896,239.08 - Step 6: Final answer
x = 157,510,927.00
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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.