Finding the Fourth Proportional to 248,820,901.08, 343,381,090.80 and 135,796,581.90
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Solution
The fourth proportional to 248,820,901.08, 343,381,090.80 and 135,796,581.90 is: 187,403,784.08
Step by Step Solution
- Step 1: Write the proportion equation
248,820,901.08 : 343,381,090.80 = 135,796,581.90 : x - Step 2: Convert to fraction form
248,820,901.08/343,381,090.80 = 135,796,581.90/x - Step 3: Cross multiply
248,820,901.08x = 343,381,090.80 × 135,796,581.90 - Step 4: Simplify right side
248,820,901.08x = 46,629,978,419,733,544 - Step 5: Solve for x
x = 46,629,978,419,733,544/248,820,901.08 - Step 6: Final answer
x = 187,403,784.08
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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.