Finding the Fourth Proportional to 245,796,836.44, 368,609,874.18 and 136,788,358.36
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Solution
The fourth proportional to 245,796,836.44, 368,609,874.18 and 136,788,358.36 is: 205,135,022.46
Step by Step Solution
- Step 1: Write the proportion equation
245,796,836.44 : 368,609,874.18 = 136,788,358.36 : x - Step 2: Convert to fraction form
245,796,836.44/368,609,874.18 = 136,788,358.36/x - Step 3: Cross multiply
245,796,836.44x = 368,609,874.18 × 136,788,358.36 - Step 4: Simplify right side
245,796,836.44x = 50,421,539,564,368,360 - Step 5: Solve for x
x = 50,421,539,564,368,360/245,796,836.44 - Step 6: Final answer
x = 205,135,022.46
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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.