Finding the Fourth Proportional to 229,846,257.84, 317,194,565.88 and 125,431,057.20
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Solution
The fourth proportional to 229,846,257.84, 317,194,565.88 and 125,431,057.20 is: 173,098,531.65
Step by Step Solution
- Step 1: Write the proportion equation
229,846,257.84 : 317,194,565.88 = 125,431,057.20 : x - Step 2: Convert to fraction form
229,846,257.84/317,194,565.88 = 125,431,057.20/x - Step 3: Cross multiply
229,846,257.84x = 317,194,565.88 × 125,431,057.20 - Step 4: Simplify right side
229,846,257.84x = 39,786,049,736,423,448 - Step 5: Solve for x
x = 39,786,049,736,423,448/229,846,257.84 - Step 6: Final answer
x = 173,098,531.65
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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.