Finding the Fourth Proportional to 86,576,680.26, 119,477,752.80 and 49,406,220.63
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Solution
The fourth proportional to 86,576,680.26, 119,477,752.80 and 49,406,220.63 is: 68,181,688.16
Step by Step Solution
- Step 1: Write the proportion equation
86,576,680.26 : 119,477,752.80 = 49,406,220.63 : x - Step 2: Convert to fraction form
86,576,680.26/119,477,752.80 = 49,406,220.63/x - Step 3: Cross multiply
86,576,680.26x = 119,477,752.80 × 49,406,220.63 - Step 4: Simplify right side
86,576,680.26x = 5,902,944,215,213,400 - Step 5: Solve for x
x = 5,902,944,215,213,400/86,576,680.26 - Step 6: Final answer
x = 68,181,688.16
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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.