Finding the Fourth Proportional to 135,541,531.92, 187,048,756.56 and 73,661,868.66
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Solution
The fourth proportional to 135,541,531.92, 187,048,756.56 and 73,661,868.66 is: 101,654,162.70
Step by Step Solution
- Step 1: Write the proportion equation
135,541,531.92 : 187,048,756.56 = 73,661,868.66 : x - Step 2: Convert to fraction form
135,541,531.92/187,048,756.56 = 73,661,868.66/x - Step 3: Cross multiply
135,541,531.92x = 187,048,756.56 × 73,661,868.66 - Step 4: Simplify right side
135,541,531.92x = 13,778,360,938,739,032 - Step 5: Solve for x
x = 13,778,360,938,739,032/135,541,531.92 - Step 6: Final answer
x = 101,654,162.70
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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.