Finding the Fourth Proportional to 174,862,811.63, 262,306,814.57 and 67,157,435.63
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Solution
The fourth proportional to 174,862,811.63, 262,306,814.57 and 67,157,435.63 is: 100,740,991.46
Step by Step Solution
- Step 1: Write the proportion equation
174,862,811.63 : 262,306,814.57 = 67,157,435.63 : x - Step 2: Convert to fraction form
174,862,811.63/262,306,814.57 = 67,157,435.63/x - Step 3: Cross multiply
174,862,811.63x = 262,306,814.57 × 67,157,435.63 - Step 4: Simplify right side
174,862,811.63x = 17,615,853,013,147,800 - Step 5: Solve for x
x = 17,615,853,013,147,800/174,862,811.63 - Step 6: Final answer
x = 100,740,991.46
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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.