Finding the Fourth Proportional to 77,190,035.00, 106,523,771.81 and 42,382,420.97
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Solution
The fourth proportional to 77,190,035.00, 106,523,771.81 and 42,382,420.97 is: 58,488,577.44
Step by Step Solution
- Step 1: Write the proportion equation
77,190,035.00 : 106,523,771.81 = 42,382,420.97 : x - Step 2: Convert to fraction form
77,190,035.00/106,523,771.81 = 42,382,420.97/x - Step 3: Cross multiply
77,190,035.00x = 106,523,771.81 × 42,382,420.97 - Step 4: Simplify right side
77,190,035.00x = 4,514,735,339,419,109 - Step 5: Solve for x
x = 4,514,735,339,419,109/77,190,035.00 - Step 6: Final answer
x = 58,488,577.44
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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.