Finding the Fourth Proportional to 198,896,238.08, 274,479,652.17 and 114,137,169.42
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Solution
The fourth proportional to 198,896,238.08, 274,479,652.17 and 114,137,169.42 is: 157,510,925.62
Step by Step Solution
- Step 1: Write the proportion equation
198,896,238.08 : 274,479,652.17 = 114,137,169.42 : x - Step 2: Convert to fraction form
198,896,238.08/274,479,652.17 = 114,137,169.42/x - Step 3: Cross multiply
198,896,238.08x = 274,479,652.17 × 114,137,169.42 - Step 4: Simplify right side
198,896,238.08x = 31,328,330,562,069,964 - Step 5: Solve for x
x = 31,328,330,562,069,964/198,896,238.08 - Step 6: Final answer
x = 157,510,925.62
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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.