Finding the Fourth Proportional to 145,615,114.09, 218,423,487.68 and 48,570,555.27
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Solution
The fourth proportional to 145,615,114.09, 218,423,487.68 and 48,570,555.27 is: 72,856,105.27
Step by Step Solution
- Step 1: Write the proportion equation
145,615,114.09 : 218,423,487.68 = 48,570,555.27 : x - Step 2: Convert to fraction form
145,615,114.09/218,423,487.68 = 48,570,555.27/x - Step 3: Cross multiply
145,615,114.09x = 218,423,487.68 × 48,570,555.27 - Step 4: Simplify right side
145,615,114.09x = 10,608,950,080,627,606 - Step 5: Solve for x
x = 10,608,950,080,627,606/145,615,114.09 - Step 6: Final answer
x = 72,856,105.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.