Finding the Fourth Proportional to 94,994,811.36, 131,091,838.29 and 53,179,220.48
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Solution
The fourth proportional to 94,994,811.36, 131,091,838.29 and 53,179,220.48 is: 73,386,763.67
Step by Step Solution
- Step 1: Write the proportion equation
94,994,811.36 : 131,091,838.29 = 53,179,220.48 : x - Step 2: Convert to fraction form
94,994,811.36/131,091,838.29 = 53,179,220.48/x - Step 3: Cross multiply
94,994,811.36x = 131,091,838.29 × 53,179,220.48 - Step 4: Simplify right side
94,994,811.36x = 6,971,361,770,896,958 - Step 5: Solve for x
x = 6,971,361,770,896,958/94,994,811.36 - Step 6: Final answer
x = 73,386,763.67
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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.