Finding the Fourth Proportional to 84,224,072.24, 116,230,020.84 and 49,417,354.80
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Solution
The fourth proportional to 84,224,072.24, 116,230,020.84 and 49,417,354.80 is: 68,196,419.69
Step by Step Solution
- Step 1: Write the proportion equation
84,224,072.24 : 116,230,020.84 = 49,417,354.80 : x - Step 2: Convert to fraction form
84,224,072.24/116,230,020.84 = 49,417,354.80/x - Step 3: Cross multiply
84,224,072.24x = 116,230,020.84 × 49,417,354.80 - Step 4: Simplify right side
84,224,072.24x = 5,743,780,178,261,674 - Step 5: Solve for x
x = 5,743,780,178,261,674/84,224,072.24 - Step 6: Final answer
x = 68,196,419.69
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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.