Finding the Fourth Proportional to 99,151,395.68, 136,845,160.08 and 82,605,282.68
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Solution
The fourth proportional to 99,151,395.68, 136,845,160.08 and 82,605,282.68 is: 114,008,815.05
Step by Step Solution
- Step 1: Write the proportion equation
99,151,395.68 : 136,845,160.08 = 82,605,282.68 : x - Step 2: Convert to fraction form
99,151,395.68/136,845,160.08 = 82,605,282.68/x - Step 3: Cross multiply
99,151,395.68x = 136,845,160.08 × 82,605,282.68 - Step 4: Simplify right side
99,151,395.68x = 11,304,133,131,798,254 - Step 5: Solve for x
x = 11,304,133,131,798,254/99,151,395.68 - Step 6: Final answer
x = 114,008,815.05
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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.