Finding the Fourth Proportional to 168,999,797.58, 253,469,731.05 and 76,861,954.14
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Solution
The fourth proportional to 168,999,797.58, 253,469,731.05 and 76,861,954.14 is: 115,279,302.83
Step by Step Solution
- Step 1: Write the proportion equation
168,999,797.58 : 253,469,731.05 = 76,861,954.14 : x - Step 2: Convert to fraction form
168,999,797.58/253,469,731.05 = 76,861,954.14/x - Step 3: Cross multiply
168,999,797.58x = 253,469,731.05 × 76,861,954.14 - Step 4: Simplify right side
168,999,797.58x = 19,482,178,843,843,236 - Step 5: Solve for x
x = 19,482,178,843,843,236/168,999,797.58 - Step 6: Final answer
x = 115,279,302.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.