Finding the Fourth Proportional to 316,039,166.22, 436,130,836.16 and 174,910,662
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Solution
The fourth proportional to 316,039,166.22, 436,130,836.16 and 174,910,662 is: 241,374,935.21
Step by Step Solution
- Step 1: Write the proportion equation
316,039,166.22 : 436,130,836.16 = 174,910,662 : x - Step 2: Convert to fraction form
316,039,166.22/436,130,836.16 = 174,910,662/x - Step 3: Cross multiply
316,039,166.22x = 436,130,836.16 × 174,910,662 - Step 4: Simplify right side
316,039,166.22x = 76,283,933,271,359,136 - Step 5: Solve for x
x = 76,283,933,271,359,136/316,039,166.22 - Step 6: Final answer
x = 241,374,935.21
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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.