Finding the Fourth Proportional to 71,553,548.88, 98,733,161.52 and 40,190,394.24
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Solution
The fourth proportional to 71,553,548.88, 98,733,161.52 and 40,190,394.24 is: 55,456,713.86
Step by Step Solution
- Step 1: Write the proportion equation
71,553,548.88 : 98,733,161.52 = 40,190,394.24 : x - Step 2: Convert to fraction form
71,553,548.88/98,733,161.52 = 40,190,394.24/x - Step 3: Cross multiply
71,553,548.88x = 98,733,161.52 × 40,190,394.24 - Step 4: Simplify right side
71,553,548.88x = 3,968,124,686,050,397.50 - Step 5: Solve for x
x = 3,968,124,686,050,397.50/71,553,548.88 - Step 6: Final answer
x = 55,456,713.86
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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.