Finding the Fourth Proportional to 135,541,531.42, 187,048,755.87 and 73,661,868.16
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Solution
The fourth proportional to 135,541,531.42, 187,048,755.87 and 73,661,868.16 is: 101,654,162.01
Step by Step Solution
- Step 1: Write the proportion equation
135,541,531.42 : 187,048,755.87 = 73,661,868.16 : x - Step 2: Convert to fraction form
135,541,531.42/187,048,755.87 = 73,661,868.16/x - Step 3: Cross multiply
135,541,531.42x = 187,048,755.87 × 73,661,868.16 - Step 4: Simplify right side
135,541,531.42x = 13,778,360,794,387,966 - Step 5: Solve for x
x = 13,778,360,794,387,966/135,541,531.42 - Step 6: Final answer
x = 101,654,162.01
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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.