Finding the Fourth Proportional to 124,224,114.56, 171,442,034.40 and 74,680,527.68
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Solution
The fourth proportional to 124,224,114.56, 171,442,034.40 and 74,680,527.68 is: 103,066,796.98
Step by Step Solution
- Step 1: Write the proportion equation
124,224,114.56 : 171,442,034.40 = 74,680,527.68 : x - Step 2: Convert to fraction form
124,224,114.56/171,442,034.40 = 74,680,527.68/x - Step 3: Cross multiply
124,224,114.56x = 171,442,034.40 × 74,680,527.68 - Step 4: Simplify right side
124,224,114.56x = 12,803,381,595,524,714 - Step 5: Solve for x
x = 12,803,381,595,524,714/124,224,114.56 - Step 6: Final answer
x = 103,066,796.98
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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.