Finding the Fourth Proportional to 103,674,449.70, 155,511,674.55 and 62,992,641.15
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Solution
The fourth proportional to 103,674,449.70, 155,511,674.55 and 62,992,641.15 is: 94,488,961.73
Step by Step Solution
- Step 1: Write the proportion equation
103,674,449.70 : 155,511,674.55 = 62,992,641.15 : x - Step 2: Convert to fraction form
103,674,449.70/155,511,674.55 = 62,992,641.15/x - Step 3: Cross multiply
103,674,449.70x = 155,511,674.55 × 62,992,641.15 - Step 4: Simplify right side
103,674,449.70x = 9,796,091,109,563,738 - Step 5: Solve for x
x = 9,796,091,109,563,738/103,674,449.70 - Step 6: Final answer
x = 94,488,961.73
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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.