Finding the Fourth Proportional to 86,221,021.59, 118,967,247.81 and 49,544,506.71
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Solution
The fourth proportional to 86,221,021.59, 118,967,247.81 and 49,544,506.71 is: 68,361,212.83
Step by Step Solution
- Step 1: Write the proportion equation
86,221,021.59 : 118,967,247.81 = 49,544,506.71 : x - Step 2: Convert to fraction form
86,221,021.59/118,967,247.81 = 49,544,506.71/x - Step 3: Cross multiply
86,221,021.59x = 118,967,247.81 × 49,544,506.71 - Step 4: Simplify right side
86,221,021.59x = 5,894,173,607,392,778 - Step 5: Solve for x
x = 5,894,173,607,392,778/86,221,021.59 - Step 6: Final answer
x = 68,361,212.83
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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.