Finding the Fourth Proportional to 86,730,610.68, 129,922,461.41 and 52,167,933.36
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Solution
The fourth proportional to 86,730,610.68, 129,922,461.41 and 52,167,933.36 is: 78,147,568.15
Step by Step Solution
- Step 1: Write the proportion equation
86,730,610.68 : 129,922,461.41 = 52,167,933.36 : x - Step 2: Convert to fraction form
86,730,610.68/129,922,461.41 = 52,167,933.36/x - Step 3: Cross multiply
86,730,610.68x = 129,922,461.41 × 52,167,933.36 - Step 4: Simplify right side
86,730,610.68x = 6,777,786,308,543,212 - Step 5: Solve for x
x = 6,777,786,308,543,212/86,730,610.68 - Step 6: Final answer
x = 78,147,568.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.