Finding the Fourth Proportional to 98,806,235.82, 136,307,893.53 and 59,635,491.18
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Solution
The fourth proportional to 98,806,235.82, 136,307,893.53 and 59,635,491.18 is: 82,269,991.51
Step by Step Solution
- Step 1: Write the proportion equation
98,806,235.82 : 136,307,893.53 = 59,635,491.18 : x - Step 2: Convert to fraction form
98,806,235.82/136,307,893.53 = 59,635,491.18/x - Step 3: Cross multiply
98,806,235.82x = 136,307,893.53 × 59,635,491.18 - Step 4: Simplify right side
98,806,235.82x = 8,128,788,182,372,694 - Step 5: Solve for x
x = 8,128,788,182,372,694/98,806,235.82 - Step 6: Final answer
x = 82,269,991.51
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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.