Finding the Fourth Proportional to 127,921,034.87, 176,531,028.38 and 69,183,699.99
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Solution
The fourth proportional to 127,921,034.87, 176,531,028.38 and 69,183,699.99 is: 95,473,506.12
Step by Step Solution
- Step 1: Write the proportion equation
127,921,034.87 : 176,531,028.38 = 69,183,699.99 : x - Step 2: Convert to fraction form
127,921,034.87/176,531,028.38 = 69,183,699.99/x - Step 3: Cross multiply
127,921,034.87x = 176,531,028.38 × 69,183,699.99 - Step 4: Simplify right side
127,921,034.87x = 12,213,069,705,619,624 - Step 5: Solve for x
x = 12,213,069,705,619,624/127,921,034.87 - Step 6: Final answer
x = 95,473,506.12
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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.