Finding the Fourth Proportional to 88,725,636.78, 122,441,754.21 and 48,492,445.14
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Solution
The fourth proportional to 88,725,636.78, 122,441,754.21 and 48,492,445.14 is: 66,919,779.50
Step by Step Solution
- Step 1: Write the proportion equation
88,725,636.78 : 122,441,754.21 = 48,492,445.14 : x - Step 2: Convert to fraction form
88,725,636.78/122,441,754.21 = 48,492,445.14/x - Step 3: Cross multiply
88,725,636.78x = 122,441,754.21 × 48,492,445.14 - Step 4: Simplify right side
88,725,636.78x = 5,937,500,048,873,789 - Step 5: Solve for x
x = 5,937,500,048,873,789/88,725,636.78 - Step 6: Final answer
x = 66,919,779.50
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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.