Finding the Fourth Proportional to 187,350,541.87, 258,570,804.99 and 107,950,402.14
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Solution
The fourth proportional to 187,350,541.87, 258,570,804.99 and 107,950,402.14 is: 148,987,145.18
Step by Step Solution
- Step 1: Write the proportion equation
187,350,541.87 : 258,570,804.99 = 107,950,402.14 : x - Step 2: Convert to fraction form
187,350,541.87/258,570,804.99 = 107,950,402.14/x - Step 3: Cross multiply
187,350,541.87x = 258,570,804.99 × 107,950,402.14 - Step 4: Simplify right side
187,350,541.87x = 27,912,822,380,334,020 - Step 5: Solve for x
x = 27,912,822,380,334,020/187,350,541.87 - Step 6: Final answer
x = 148,987,145.18
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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.