Finding the Fourth Proportional to 194,842,488.97, 268,880,493.99 and 105,532,211.17
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Solution
The fourth proportional to 194,842,488.97, 268,880,493.99 and 105,532,211.17 is: 145,633,291.90
Step by Step Solution
- Step 1: Write the proportion equation
194,842,488.97 : 268,880,493.99 = 105,532,211.17 : x - Step 2: Convert to fraction form
194,842,488.97/268,880,493.99 = 105,532,211.17/x - Step 3: Cross multiply
194,842,488.97x = 268,880,493.99 × 105,532,211.17 - Step 4: Simplify right side
194,842,488.97x = 28,375,553,071,246,596 - Step 5: Solve for x
x = 28,375,553,071,246,596/194,842,488.97 - Step 6: Final answer
x = 145,633,291.90
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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.