Finding the Fourth Proportional to 248,418,569.15, 342,811,720.56 and 135,391,629.84
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Solution
The fourth proportional to 248,418,569.15, 342,811,720.56 and 135,391,629.84 is: 186,837,230.95
Step by Step Solution
- Step 1: Write the proportion equation
248,418,569.15 : 342,811,720.56 = 135,391,629.84 : x - Step 2: Convert to fraction form
248,418,569.15/342,811,720.56 = 135,391,629.84/x - Step 3: Cross multiply
248,418,569.15x = 342,811,720.56 × 135,391,629.84 - Step 4: Simplify right side
248,418,569.15x = 46,413,837,574,873,040 - Step 5: Solve for x
x = 46,413,837,574,873,040/248,418,569.15 - Step 6: Final answer
x = 186,837,230.95
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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.