Finding the Fourth Proportional to 193,618,864.80, 290,428,297.20 and 149,780,887.20
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Solution
The fourth proportional to 193,618,864.80, 290,428,297.20 and 149,780,887.20 is: 224,671,330.80
Step by Step Solution
- Step 1: Write the proportion equation
193,618,864.80 : 290,428,297.20 = 149,780,887.20 : x - Step 2: Convert to fraction form
193,618,864.80/290,428,297.20 = 149,780,887.20/x - Step 3: Cross multiply
193,618,864.80x = 290,428,297.20 × 149,780,887.20 - Step 4: Simplify right side
193,618,864.80x = 43,500,608,022,601,272 - Step 5: Solve for x
x = 43,500,608,022,601,272/193,618,864.80 - Step 6: Final answer
x = 224,671,330.80
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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.