Finding the Fourth Proportional to 94,361,401.94, 130,107,311.63 and 64,606,478.75
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Solution
The fourth proportional to 94,361,401.94, 130,107,311.63 and 64,606,478.75 is: 89,080,652.58
Step by Step Solution
- Step 1: Write the proportion equation
94,361,401.94 : 130,107,311.63 = 64,606,478.75 : x - Step 2: Convert to fraction form
94,361,401.94/130,107,311.63 = 64,606,478.75/x - Step 3: Cross multiply
94,361,401.94x = 130,107,311.63 × 64,606,478.75 - Step 4: Simplify right side
94,361,401.94x = 8,405,775,263,311,928 - Step 5: Solve for x
x = 8,405,775,263,311,928/94,361,401.94 - Step 6: Final answer
x = 89,080,652.58
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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.