Finding the Fourth Proportional to 75,582,791.68, 104,307,670.82 and 42,554,389.63
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Solution
The fourth proportional to 75,582,791.68, 104,307,670.82 and 42,554,389.63 is: 58,726,982.25
Step by Step Solution
- Step 1: Write the proportion equation
75,582,791.68 : 104,307,670.82 = 42,554,389.63 : x - Step 2: Convert to fraction form
75,582,791.68/104,307,670.82 = 42,554,389.63/x - Step 3: Cross multiply
75,582,791.68x = 104,307,670.82 × 42,554,389.63 - Step 4: Simplify right side
75,582,791.68x = 4,438,749,265,472,061.50 - Step 5: Solve for x
x = 4,438,749,265,472,061.50/75,582,791.68 - Step 6: Final answer
x = 58,726,982.25
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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.