Finding the Fourth Proportional to 71,588,339.67, 107,362,911.47 and 19,760,552.63
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Solution
The fourth proportional to 71,588,339.67, 107,362,911.47 and 19,760,552.63 is: 29,635,419.28
Step by Step Solution
- Step 1: Write the proportion equation
71,588,339.67 : 107,362,911.47 = 19,760,552.63 : x - Step 2: Convert to fraction form
71,588,339.67/107,362,911.47 = 19,760,552.63/x - Step 3: Cross multiply
71,588,339.67x = 107,362,911.47 × 19,760,552.63 - Step 4: Simplify right side
71,588,339.67x = 2,121,550,461,977,348.50 - Step 5: Solve for x
x = 2,121,550,461,977,348.50/71,588,339.67 - Step 6: Final answer
x = 29,635,419.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.