Finding the Fourth Proportional to 135,597,165.24, 187,126,217.10 and 73,717,740.12
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Solution
The fourth proportional to 135,597,165.24, 187,126,217.10 and 73,717,740.12 is: 101,731,638.84
Step by Step Solution
- Step 1: Write the proportion equation
135,597,165.24 : 187,126,217.10 = 73,717,740.12 : x - Step 2: Convert to fraction form
135,597,165.24/187,126,217.10 = 73,717,740.12/x - Step 3: Cross multiply
135,597,165.24x = 187,126,217.10 × 73,717,740.12 - Step 4: Simplify right side
135,597,165.24x = 13,794,521,841,816,500 - Step 5: Solve for x
x = 13,794,521,841,816,500/135,597,165.24 - Step 6: Final answer
x = 101,731,638.84
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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.