Finding the Fourth Proportional to 236,631,170.36, 354,953,986.50 and 81,182,797.76
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Solution
The fourth proportional to 236,631,170.36, 354,953,986.50 and 81,182,797.76 is: 121,776,677.42
Step by Step Solution
- Step 1: Write the proportion equation
236,631,170.36 : 354,953,986.50 = 81,182,797.76 : x - Step 2: Convert to fraction form
236,631,170.36/354,953,986.50 = 81,182,797.76/x - Step 3: Cross multiply
236,631,170.36x = 354,953,986.50 × 81,182,797.76 - Step 4: Simplify right side
236,631,170.36x = 28,816,157,700,135,272 - Step 5: Solve for x
x = 28,816,157,700,135,272/236,631,170.36 - Step 6: Final answer
x = 121,776,677.42
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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.