Finding the Fourth Proportional to 236,196,268.20, 354,294,402.30 and 213,596,739.68
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Solution
The fourth proportional to 236,196,268.20, 354,294,402.30 and 213,596,739.68 is: 320,395,109.51
Step by Step Solution
- Step 1: Write the proportion equation
236,196,268.20 : 354,294,402.30 = 213,596,739.68 : x - Step 2: Convert to fraction form
236,196,268.20/354,294,402.30 = 213,596,739.68/x - Step 3: Cross multiply
236,196,268.20x = 354,294,402.30 × 213,596,739.68 - Step 4: Simplify right side
236,196,268.20x = 75,676,129,216,382,832 - Step 5: Solve for x
x = 75,676,129,216,382,832/236,196,268.20 - Step 6: Final answer
x = 320,395,109.51
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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.