Finding the Fourth Proportional to 177,945,160.08, 245,543,319.36 and 102,590,639.76
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Solution
The fourth proportional to 177,945,160.08, 245,543,319.36 and 102,590,639.76 is: 141,562,974.85
Step by Step Solution
- Step 1: Write the proportion equation
177,945,160.08 : 245,543,319.36 = 102,590,639.76 : x - Step 2: Convert to fraction form
177,945,160.08/245,543,319.36 = 102,590,639.76/x - Step 3: Cross multiply
177,945,160.08x = 245,543,319.36 × 102,590,639.76 - Step 4: Simplify right side
177,945,160.08x = 25,190,446,221,936,396 - Step 5: Solve for x
x = 25,190,446,221,936,396/177,945,160.08 - Step 6: Final answer
x = 141,562,974.85
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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.