Finding the Fourth Proportional to 117,811,416.08, 162,578,204.52 and 64,887,107.60
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Solution
The fourth proportional to 117,811,416.08, 162,578,204.52 and 64,887,107.60 is: 89,543,354.97
Step by Step Solution
- Step 1: Write the proportion equation
117,811,416.08 : 162,578,204.52 = 64,887,107.60 : x - Step 2: Convert to fraction form
117,811,416.08/162,578,204.52 = 64,887,107.60/x - Step 3: Cross multiply
117,811,416.08x = 162,578,204.52 × 64,887,107.60 - Step 4: Simplify right side
117,811,416.08x = 10,549,229,450,104,048 - Step 5: Solve for x
x = 10,549,229,450,104,048/117,811,416.08 - Step 6: Final answer
x = 89,543,354.97
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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.