Finding the Fourth Proportional to 201,610,884.86, 302,448,213.75 and 72,215,630.18
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Solution
The fourth proportional to 201,610,884.86, 302,448,213.75 and 72,215,630.18 is: 108,334,866.78
Step by Step Solution
- Step 1: Write the proportion equation
201,610,884.86 : 302,448,213.75 = 72,215,630.18 : x - Step 2: Convert to fraction form
201,610,884.86/302,448,213.75 = 72,215,630.18/x - Step 3: Cross multiply
201,610,884.86x = 302,448,213.75 × 72,215,630.18 - Step 4: Simplify right side
201,610,884.86x = 21,841,488,352,771,592 - Step 5: Solve for x
x = 21,841,488,352,771,592/201,610,884.86 - Step 6: Final answer
x = 108,334,866.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.