Finding the Fourth Proportional to 142,063,352.84, 194,623,536.21 and 136,751,996.12
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Solution
The fourth proportional to 142,063,352.84, 194,623,536.21 and 136,751,996.12 is: 187,347,099.28
Step by Step Solution
- Step 1: Write the proportion equation
142,063,352.84 : 194,623,536.21 = 136,751,996.12 : x - Step 2: Convert to fraction form
142,063,352.84/194,623,536.21 = 136,751,996.12/x - Step 3: Cross multiply
142,063,352.84x = 194,623,536.21 × 136,751,996.12 - Step 4: Simplify right side
142,063,352.84x = 26,615,157,068,650,600 - Step 5: Solve for x
x = 26,615,157,068,650,600/142,063,352.84 - Step 6: Final answer
x = 187,347,099.28
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.