Finding the Fourth Proportional to 98,340,393.66, 135,706,186.62 and 54,286,446.69
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Solution
The fourth proportional to 98,340,393.66, 135,706,186.62 and 54,286,446.69 is: 74,913,333.08
Step by Step Solution
- Step 1: Write the proportion equation
98,340,393.66 : 135,706,186.62 = 54,286,446.69 : x - Step 2: Convert to fraction form
98,340,393.66/135,706,186.62 = 54,286,446.69/x - Step 3: Cross multiply
98,340,393.66x = 135,706,186.62 × 54,286,446.69 - Step 4: Simplify right side
98,340,393.66x = 7,367,006,665,449,821 - Step 5: Solve for x
x = 7,367,006,665,449,821/98,340,393.66 - Step 6: Final answer
x = 74,913,333.08
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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.