Finding the Fourth Proportional to 193,617,716.80, 290,426,575.20 and 149,779,739.20
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Solution
The fourth proportional to 193,617,716.80, 290,426,575.20 and 149,779,739.20 is: 224,669,608.80
Step by Step Solution
- Step 1: Write the proportion equation
193,617,716.80 : 290,426,575.20 = 149,779,739.20 : x - Step 2: Convert to fraction form
193,617,716.80/290,426,575.20 = 149,779,739.20/x - Step 3: Cross multiply
193,617,716.80x = 290,426,575.20 × 149,779,739.20 - Step 4: Simplify right side
193,617,716.80x = 43,500,016,690,205,184 - Step 5: Solve for x
x = 43,500,016,690,205,184/193,617,716.80 - Step 6: Final answer
x = 224,669,608.80
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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.