Finding the Fourth Proportional to 76,026,755.09, 104,919,135.32 and 42,986,294.84
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Solution
The fourth proportional to 76,026,755.09, 104,919,135.32 and 42,986,294.84 is: 59,322,338.29
Step by Step Solution
- Step 1: Write the proportion equation
76,026,755.09 : 104,919,135.32 = 42,986,294.84 : x - Step 2: Convert to fraction form
76,026,755.09/104,919,135.32 = 42,986,294.84/x - Step 3: Cross multiply
76,026,755.09x = 104,919,135.32 × 42,986,294.84 - Step 4: Simplify right side
76,026,755.09x = 4,510,084,884,483,851 - Step 5: Solve for x
x = 4,510,084,884,483,851/76,026,755.09 - Step 6: Final answer
x = 59,322,338.29
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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.