Finding the Fourth Proportional to 168,839,251.68, 253,277,240.40 and 53,796,753.12
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Solution
The fourth proportional to 168,839,251.68, 253,277,240.40 and 53,796,753.12 is: 80,700,980.59
Step by Step Solution
- Step 1: Write the proportion equation
168,839,251.68 : 253,277,240.40 = 53,796,753.12 : x - Step 2: Convert to fraction form
168,839,251.68/253,277,240.40 = 53,796,753.12/x - Step 3: Cross multiply
168,839,251.68x = 253,277,240.40 × 53,796,753.12 - Step 4: Simplify right side
168,839,251.68x = 13,625,493,172,713,690 - Step 5: Solve for x
x = 13,625,493,172,713,690/168,839,251.68 - Step 6: Final answer
x = 80,700,980.59
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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.