Finding the Fourth Proportional to 173,727,910.40, 239,690,757.12 and 100,362,283.52
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Solution
The fourth proportional to 173,727,910.40, 239,690,757.12 and 100,362,283.52 is: 138,468,894.65
Step by Step Solution
- Step 1: Write the proportion equation
173,727,910.40 : 239,690,757.12 = 100,362,283.52 : x - Step 2: Convert to fraction form
173,727,910.40/239,690,757.12 = 100,362,283.52/x - Step 3: Cross multiply
173,727,910.40x = 239,690,757.12 × 100,362,283.52 - Step 4: Simplify right side
173,727,910.40x = 24,055,911,723,200,900 - Step 5: Solve for x
x = 24,055,911,723,200,900/173,727,910.40 - Step 6: Final answer
x = 138,468,894.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.