Finding the Fourth Proportional to 136,242,080.76, 188,260,008.93 and 97,015,756.26
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Solution
The fourth proportional to 136,242,080.76, 188,260,008.93 and 97,015,756.26 is: 134,056,871.69
Step by Step Solution
- Step 1: Write the proportion equation
136,242,080.76 : 188,260,008.93 = 97,015,756.26 : x - Step 2: Convert to fraction form
136,242,080.76/188,260,008.93 = 97,015,756.26/x - Step 3: Cross multiply
136,242,080.76x = 188,260,008.93 × 97,015,756.26 - Step 4: Simplify right side
136,242,080.76x = 18,264,187,139,858,304 - Step 5: Solve for x
x = 18,264,187,139,858,304/136,242,080.76 - Step 6: Final answer
x = 134,056,871.69
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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.