Finding the Fourth Proportional to 112,161,845.80, 168,242,768.70 and 48,336,437.80
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Solution
The fourth proportional to 112,161,845.80, 168,242,768.70 and 48,336,437.80 is: 72,504,656.70
Step by Step Solution
- Step 1: Write the proportion equation
112,161,845.80 : 168,242,768.70 = 48,336,437.80 : x - Step 2: Convert to fraction form
112,161,845.80/168,242,768.70 = 48,336,437.80/x - Step 3: Cross multiply
112,161,845.80x = 168,242,768.70 × 48,336,437.80 - Step 4: Simplify right side
112,161,845.80x = 8,132,256,124,567,336 - Step 5: Solve for x
x = 8,132,256,124,567,336/112,161,845.80 - Step 6: Final answer
x = 72,504,656.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.