Finding the Fourth Proportional to 118,112,207.80, 177,168,311.70 and 46,308,623.80
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Solution
The fourth proportional to 118,112,207.80, 177,168,311.70 and 46,308,623.80 is: 69,462,935.70
Step by Step Solution
- Step 1: Write the proportion equation
118,112,207.80 : 177,168,311.70 = 46,308,623.80 : x - Step 2: Convert to fraction form
118,112,207.80/177,168,311.70 = 46,308,623.80/x - Step 3: Cross multiply
118,112,207.80x = 177,168,311.70 × 46,308,623.80 - Step 4: Simplify right side
118,112,207.80x = 8,204,420,695,796,437 - Step 5: Solve for x
x = 8,204,420,695,796,437/118,112,207.80 - Step 6: Final answer
x = 69,462,935.70
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1.5x scale
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.