Finding the Fourth Proportional to 187,508,848.68, 258,737,672.16 and 108,126,842.10
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Solution
The fourth proportional to 187,508,848.68, 258,737,672.16 and 108,126,842.10 is: 149,200,891.69
Step by Step Solution
- Step 1: Write the proportion equation
187,508,848.68 : 258,737,672.16 = 108,126,842.10 : x - Step 2: Convert to fraction form
187,508,848.68/258,737,672.16 = 108,126,842.10/x - Step 3: Cross multiply
187,508,848.68x = 258,737,672.16 × 108,126,842.10 - Step 4: Simplify right side
187,508,848.68x = 27,976,487,422,965,884 - Step 5: Solve for x
x = 27,976,487,422,965,884/187,508,848.68 - Step 6: Final answer
x = 149,200,891.69
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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.