Finding the Fourth Proportional to 165,815,260.20, 248,344,976.70 and 97,790,812.20
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Solution
The fourth proportional to 165,815,260.20, 248,344,976.70 and 97,790,812.20 is: 146,463,340.88
Step by Step Solution
- Step 1: Write the proportion equation
165,815,260.20 : 248,344,976.70 = 97,790,812.20 : x - Step 2: Convert to fraction form
165,815,260.20/248,344,976.70 = 97,790,812.20/x - Step 3: Cross multiply
165,815,260.20x = 248,344,976.70 × 97,790,812.20 - Step 4: Simplify right side
165,815,260.20x = 24,285,856,977,283,076 - Step 5: Solve for x
x = 24,285,856,977,283,076/165,815,260.20 - Step 6: Final answer
x = 146,463,340.88
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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.