Finding the Fourth Proportional to 118,378,201.80, 177,315,360.30 and 98,222,809.80
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Solution
The fourth proportional to 118,378,201.80, 177,315,360.30 and 98,222,809.80 is: 147,125,168.69
Step by Step Solution
- Step 1: Write the proportion equation
118,378,201.80 : 177,315,360.30 = 98,222,809.80 : x - Step 2: Convert to fraction form
118,378,201.80/177,315,360.30 = 98,222,809.80/x - Step 3: Cross multiply
118,378,201.80x = 177,315,360.30 × 98,222,809.80 - Step 4: Simplify right side
118,378,201.80x = 17,416,412,909,365,372 - Step 5: Solve for x
x = 17,416,412,909,365,372/118,378,201.80 - Step 6: Final answer
x = 147,125,168.69
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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.