Finding the Fourth Proportional to 100,896,743.97, 139,237,505.91 and 54,486,993.80
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Solution
The fourth proportional to 100,896,743.97, 139,237,505.91 and 54,486,993.80 is: 75,192,051.02
Step by Step Solution
- Step 1: Write the proportion equation
100,896,743.97 : 139,237,505.91 = 54,486,993.80 : x - Step 2: Convert to fraction form
100,896,743.97/139,237,505.91 = 54,486,993.80/x - Step 3: Cross multiply
100,896,743.97x = 139,237,505.91 × 54,486,993.80 - Step 4: Simplify right side
100,896,743.97x = 7,586,633,120,549,446 - Step 5: Solve for x
x = 7,586,633,120,549,446/100,896,743.97 - Step 6: Final answer
x = 75,192,051.02
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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.