Finding the Fourth Proportional to 84,168,782.08, 126,289,544.76 and 45,261,759.26
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Solution
The fourth proportional to 84,168,782.08, 126,289,544.76 and 45,261,759.26 is: 67,912,197.74
Step by Step Solution
- Step 1: Write the proportion equation
84,168,782.08 : 126,289,544.76 = 45,261,759.26 : x - Step 2: Convert to fraction form
84,168,782.08/126,289,544.76 = 45,261,759.26/x - Step 3: Cross multiply
84,168,782.08x = 126,289,544.76 × 45,261,759.26 - Step 4: Simplify right side
84,168,782.08x = 5,716,086,971,982,114 - Step 5: Solve for x
x = 5,716,086,971,982,114/84,168,782.08 - Step 6: Final answer
x = 67,912,197.74
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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.