Finding the Fourth Proportional to 117,625,621,879.80, 176,438,432,819.70 and 29,293,750,387.80
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Solution
The fourth proportional to 117,625,621,879.80, 176,438,432,819.70 and 29,293,750,387.80 is: 43,940,625,581.70
Step by Step Solution
- Step 1: Write the proportion equation
117,625,621,879.80 : 176,438,432,819.70 = 29,293,750,387.80 : x - Step 2: Convert to fraction form
117,625,621,879.80/176,438,432,819.70 = 29,293,750,387.80/x - Step 3: Cross multiply
117,625,621,879.80x = 176,438,432,819.70 × 29,293,750,387.80 - Step 4: Simplify right side
117,625,621,879.80x = 5,168,543,409,834,911,858,688 - Step 5: Solve for x
x = 5,168,543,409,834,911,858,688/117,625,621,879.80 - Step 6: Final answer
x = 43,940,625,581.70
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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.