Finding the Fourth Proportional to 236,646,509.38, 354,858,041.81 and 138,306,427.79
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Solution
The fourth proportional to 236,646,509.38, 354,858,041.81 and 138,306,427.79 is: 207,394,346.37
Step by Step Solution
- Step 1: Write the proportion equation
236,646,509.38 : 354,858,041.81 = 138,306,427.79 : x - Step 2: Convert to fraction form
236,646,509.38/354,858,041.81 = 138,306,427.79/x - Step 3: Cross multiply
236,646,509.38x = 354,858,041.81 × 138,306,427.79 - Step 4: Simplify right side
236,646,509.38x = 49,079,148,133,867,040 - Step 5: Solve for x
x = 49,079,148,133,867,040/236,646,509.38 - Step 6: Final answer
x = 207,394,346.37
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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.