Finding the Fourth Proportional to 54,234,184.98, 74,844,636.84 and 31,908,729.42
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Solution
The fourth proportional to 54,234,184.98, 74,844,636.84 and 31,908,729.42 is: 44,034,906.51
Step by Step Solution
- Step 1: Write the proportion equation
54,234,184.98 : 74,844,636.84 = 31,908,729.42 : x - Step 2: Convert to fraction form
54,234,184.98/74,844,636.84 = 31,908,729.42/x - Step 3: Cross multiply
54,234,184.98x = 74,844,636.84 × 31,908,729.42 - Step 4: Simplify right side
54,234,184.98x = 2,388,197,265,465,724 - Step 5: Solve for x
x = 2,388,197,265,465,724/54,234,184.98 - Step 6: Final answer
x = 44,034,906.51
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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.