Finding the Fourth Proportional to 103,674,421.08, 155,511,631.61 and 62,992,612.53
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Solution
The fourth proportional to 103,674,421.08, 155,511,631.61 and 62,992,612.53 is: 94,488,918.79
Step by Step Solution
- Step 1: Write the proportion equation
103,674,421.08 : 155,511,631.61 = 62,992,612.53 : x - Step 2: Convert to fraction form
103,674,421.08/155,511,631.61 = 62,992,612.53/x - Step 3: Cross multiply
103,674,421.08x = 155,511,631.61 × 62,992,612.53 - Step 4: Simplify right side
103,674,421.08x = 9,796,083,953,916,832 - Step 5: Solve for x
x = 9,796,083,953,916,832/103,674,421.08 - Step 6: Final answer
x = 94,488,918.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.