Finding the Fourth Proportional to 123,210,456.44, 170,031,773.58 and 68,207,231.48
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Solution
The fourth proportional to 123,210,456.44, 170,031,773.58 and 68,207,231.48 is: 94,126,723.29
Step by Step Solution
- Step 1: Write the proportion equation
123,210,456.44 : 170,031,773.58 = 68,207,231.48 : x - Step 2: Convert to fraction form
123,210,456.44/170,031,773.58 = 68,207,231.48/x - Step 3: Cross multiply
123,210,456.44x = 170,031,773.58 × 68,207,231.48 - Step 4: Simplify right side
123,210,456.44x = 11,597,396,539,526,010 - Step 5: Solve for x
x = 11,597,396,539,526,010/123,210,456.44 - Step 6: Final answer
x = 94,126,723.29
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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.