Finding the Fourth Proportional to 154,882,863.99, 213,753,792.11 and 115,656,539.45
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Solution
The fourth proportional to 154,882,863.99, 213,753,792.11 and 115,656,539.45 is: 159,617,553.88
Step by Step Solution
- Step 1: Write the proportion equation
154,882,863.99 : 213,753,792.11 = 115,656,539.45 : x - Step 2: Convert to fraction form
154,882,863.99/213,753,792.11 = 115,656,539.45/x - Step 3: Cross multiply
154,882,863.99x = 213,753,792.11 × 115,656,539.45 - Step 4: Simplify right side
154,882,863.99x = 24,722,023,888,110,260 - Step 5: Solve for x
x = 24,722,023,888,110,260/154,882,863.99 - Step 6: Final answer
x = 159,617,553.88
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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.