Finding the Fourth Proportional to 103,674,430.08, 155,511,645.12 and 62,992,621.53
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Solution
The fourth proportional to 103,674,430.08, 155,511,645.12 and 62,992,621.53 is: 94,488,932.30
Step by Step Solution
- Step 1: Write the proportion equation
103,674,430.08 : 155,511,645.12 = 62,992,621.53 : x - Step 2: Convert to fraction form
103,674,430.08/155,511,645.12 = 62,992,621.53/x - Step 3: Cross multiply
103,674,430.08x = 155,511,645.12 × 62,992,621.53 - Step 4: Simplify right side
103,674,430.08x = 9,796,086,204,551,832 - Step 5: Solve for x
x = 9,796,086,204,551,832/103,674,430.08 - Step 6: Final answer
x = 94,488,932.30
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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.