Finding the Fourth Proportional to 121,397,321.84, 182,097,643.97 and 39,516,546.68
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Solution
The fourth proportional to 121,397,321.84, 182,097,643.97 and 39,516,546.68 is: 59,275,360.76
Step by Step Solution
- Step 1: Write the proportion equation
121,397,321.84 : 182,097,643.97 = 39,516,546.68 : x - Step 2: Convert to fraction form
121,397,321.84/182,097,643.97 = 39,516,546.68/x - Step 3: Cross multiply
121,397,321.84x = 182,097,643.97 × 39,516,546.68 - Step 4: Simplify right side
121,397,321.84x = 7,195,870,047,150,454 - Step 5: Solve for x
x = 7,195,870,047,150,454/121,397,321.84 - Step 6: Final answer
x = 59,275,360.76
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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.