Finding the Fourth Proportional to 81,373,838.08, 112,295,941.84 and 44,706,771.04
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Solution
The fourth proportional to 81,373,838.08, 112,295,941.84 and 44,706,771.04 is: 61,695,368.92
Step by Step Solution
- Step 1: Write the proportion equation
81,373,838.08 : 112,295,941.84 = 44,706,771.04 : x - Step 2: Convert to fraction form
81,373,838.08/112,295,941.84 = 44,706,771.04/x - Step 3: Cross multiply
81,373,838.08x = 112,295,941.84 × 44,706,771.04 - Step 4: Simplify right side
81,373,838.08x = 5,020,388,960,562,036 - Step 5: Solve for x
x = 5,020,388,960,562,036/81,373,838.08 - Step 6: Final answer
x = 61,695,368.92
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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.