Finding the Fourth Proportional to 97,701,019.68, 134,821,274.88 and 53,647,710.12
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Solution
The fourth proportional to 97,701,019.68, 134,821,274.88 and 53,647,710.12 is: 74,030,472.73
Step by Step Solution
- Step 1: Write the proportion equation
97,701,019.68 : 134,821,274.88 = 53,647,710.12 : x - Step 2: Convert to fraction form
97,701,019.68/134,821,274.88 = 53,647,710.12/x - Step 3: Cross multiply
97,701,019.68x = 134,821,274.88 × 53,647,710.12 - Step 4: Simplify right side
97,701,019.68x = 7,232,852,672,771,077 - Step 5: Solve for x
x = 7,232,852,672,771,077/97,701,019.68 - Step 6: Final answer
x = 74,030,472.73
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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.