Finding the Fourth Proportional to 90,830,837.18, 136,267,119.75 and 26,135,178.14
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Solution
The fourth proportional to 90,830,837.18, 136,267,119.75 and 26,135,178.14 is: 39,208,770.49
Step by Step Solution
- Step 1: Write the proportion equation
90,830,837.18 : 136,267,119.75 = 26,135,178.14 : x - Step 2: Convert to fraction form
90,830,837.18/136,267,119.75 = 26,135,178.14/x - Step 3: Cross multiply
90,830,837.18x = 136,267,119.75 × 26,135,178.14 - Step 4: Simplify right side
90,830,837.18x = 3,561,365,448,609,627 - Step 5: Solve for x
x = 3,561,365,448,609,627/90,830,837.18 - Step 6: Final answer
x = 39,208,770.49
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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.