Finding the Fourth Proportional to 278,286,022.90, 417,429,034.35 and 96,551,571.70
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Solution
The fourth proportional to 278,286,022.90, 417,429,034.35 and 96,551,571.70 is: 144,827,357.55
Step by Step Solution
- Step 1: Write the proportion equation
278,286,022.90 : 417,429,034.35 = 96,551,571.70 : x - Step 2: Convert to fraction form
278,286,022.90/417,429,034.35 = 96,551,571.70/x - Step 3: Cross multiply
278,286,022.90x = 417,429,034.35 × 96,551,571.70 - Step 4: Simplify right side
278,286,022.90x = 40,303,429,339,705,792 - Step 5: Solve for x
x = 40,303,429,339,705,792/278,286,022.90 - Step 6: Final answer
x = 144,827,357.55
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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.