Finding the Fourth Proportional to 218,548,668.87, 301,614,355.49 and 124,466,793.84
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Solution
The fourth proportional to 218,548,668.87, 301,614,355.49 and 124,466,793.84 is: 171,773,966.86
Step by Step Solution
- Step 1: Write the proportion equation
218,548,668.87 : 301,614,355.49 = 124,466,793.84 : x - Step 2: Convert to fraction form
218,548,668.87/301,614,355.49 = 124,466,793.84/x - Step 3: Cross multiply
218,548,668.87x = 301,614,355.49 × 124,466,793.84 - Step 4: Simplify right side
218,548,668.87x = 37,540,971,803,335,968 - Step 5: Solve for x
x = 37,540,971,803,335,968/218,548,668.87 - Step 6: Final answer
x = 171,773,966.86
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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.