Finding the Fourth Proportional to 99,103,662.10, 148,361,560.35 and 73,657,479.70
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Solution
The fourth proportional to 99,103,662.10, 148,361,560.35 and 73,657,479.70 is: 110,267,757.90
Step by Step Solution
- Step 1: Write the proportion equation
99,103,662.10 : 148,361,560.35 = 73,657,479.70 : x - Step 2: Convert to fraction form
99,103,662.10/148,361,560.35 = 73,657,479.70/x - Step 3: Cross multiply
99,103,662.10x = 148,361,560.35 × 73,657,479.70 - Step 4: Simplify right side
99,103,662.10x = 10,927,938,619,740,450 - Step 5: Solve for x
x = 10,927,938,619,740,450/99,103,662.10 - Step 6: Final answer
x = 110,267,757.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.