Finding the Fourth Proportional to 86,221,020.09, 118,967,245.74 and 49,544,505.21
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Solution
The fourth proportional to 86,221,020.09, 118,967,245.74 and 49,544,505.21 is: 68,361,210.76
Step by Step Solution
- Step 1: Write the proportion equation
86,221,020.09 : 118,967,245.74 = 49,544,505.21 : x - Step 2: Convert to fraction form
86,221,020.09/118,967,245.74 = 49,544,505.21/x - Step 3: Cross multiply
86,221,020.09x = 118,967,245.74 × 49,544,505.21 - Step 4: Simplify right side
86,221,020.09x = 5,894,173,326,384,780 - Step 5: Solve for x
x = 5,894,173,326,384,780/86,221,020.09 - Step 6: Final answer
x = 68,361,210.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.