Finding the Fourth Proportional to 97,758,848.20, 146,638,272.30 and 96,247,193.80
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Solution
The fourth proportional to 97,758,848.20, 146,638,272.30 and 96,247,193.80 is: 144,370,790.70
Step by Step Solution
- Step 1: Write the proportion equation
97,758,848.20 : 146,638,272.30 = 96,247,193.80 : x - Step 2: Convert to fraction form
97,758,848.20/146,638,272.30 = 96,247,193.80/x - Step 3: Cross multiply
97,758,848.20x = 146,638,272.30 × 96,247,193.80 - Step 4: Simplify right side
97,758,848.20x = 14,113,522,212,555,272 - Step 5: Solve for x
x = 14,113,522,212,555,272/97,758,848.20 - Step 6: Final answer
x = 144,370,790.70
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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.