Finding the Fourth Proportional to 118,378,195.80, 177,315,351.30 and 98,222,803.80
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Solution
The fourth proportional to 118,378,195.80, 177,315,351.30 and 98,222,803.80 is: 147,125,159.69
Step by Step Solution
- Step 1: Write the proportion equation
118,378,195.80 : 177,315,351.30 = 98,222,803.80 : x - Step 2: Convert to fraction form
118,378,195.80/177,315,351.30 = 98,222,803.80/x - Step 3: Cross multiply
118,378,195.80x = 177,315,351.30 × 98,222,803.80 - Step 4: Simplify right side
118,378,195.80x = 17,416,410,961,467,976 - Step 5: Solve for x
x = 17,416,410,961,467,976/118,378,195.80 - Step 6: Final answer
x = 147,125,159.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.