Finding the Fourth Proportional to 71,133,029.01, 98,163,194.49 and 39,771,071.82
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Solution
The fourth proportional to 71,133,029.01, 98,163,194.49 and 39,771,071.82 is: 54,883,863.55
Step by Step Solution
- Step 1: Write the proportion equation
71,133,029.01 : 98,163,194.49 = 39,771,071.82 : x - Step 2: Convert to fraction form
71,133,029.01/98,163,194.49 = 39,771,071.82/x - Step 3: Cross multiply
71,133,029.01x = 98,163,194.49 × 39,771,071.82 - Step 4: Simplify right side
71,133,029.01x = 3,904,055,458,142,418 - Step 5: Solve for x
x = 3,904,055,458,142,418/71,133,029.01 - Step 6: Final answer
x = 54,883,863.55
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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.