Finding the Fourth Proportional to 190,970,315.80, 263,535,466.62 and 106,202,633.20
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Solution
The fourth proportional to 190,970,315.80, 263,535,466.62 and 106,202,633.20 is: 146,557,648.92
Step by Step Solution
- Step 1: Write the proportion equation
190,970,315.80 : 263,535,466.62 = 106,202,633.20 : x - Step 2: Convert to fraction form
190,970,315.80/263,535,466.62 = 106,202,633.20/x - Step 3: Cross multiply
190,970,315.80x = 263,535,466.62 × 106,202,633.20 - Step 4: Simplify right side
190,970,315.80x = 27,988,160,496,634,704 - Step 5: Solve for x
x = 27,988,160,496,634,704/190,970,315.80 - Step 6: Final answer
x = 146,557,648.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.