Finding the Fourth Proportional to 74,188,536.55, 102,392,438.81 and 41,159,426.80
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Solution
The fourth proportional to 74,188,536.55, 102,392,438.81 and 41,159,426.80 is: 56,806,809.86
Step by Step Solution
- Step 1: Write the proportion equation
74,188,536.55 : 102,392,438.81 = 41,159,426.80 : x - Step 2: Convert to fraction form
74,188,536.55/102,392,438.81 = 41,159,426.80/x - Step 3: Cross multiply
74,188,536.55x = 102,392,438.81 × 41,159,426.80 - Step 4: Simplify right side
74,188,536.55x = 4,214,414,089,631,612 - Step 5: Solve for x
x = 4,214,414,089,631,612/74,188,536.55 - Step 6: Final answer
x = 56,806,809.86
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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.