Finding the Fourth Proportional to 218,797,765.94, 301,941,826.70 and 118,326,203.12
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Solution
The fourth proportional to 218,797,765.94, 301,941,826.70 and 118,326,203.12 is: 163,290,652.27
Step by Step Solution
- Step 1: Write the proportion equation
218,797,765.94 : 301,941,826.70 = 118,326,203.12 : x - Step 2: Convert to fraction form
218,797,765.94/301,941,826.70 = 118,326,203.12/x - Step 3: Cross multiply
218,797,765.94x = 301,941,826.70 × 118,326,203.12 - Step 4: Simplify right side
218,797,765.94x = 35,727,629,916,594,340 - Step 5: Solve for x
x = 35,727,629,916,594,340/218,797,765.94 - Step 6: Final answer
x = 163,290,652.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.