Finding the Fourth Proportional to 146,188,935.40, 219,212,544.30 and 81,423,992.20
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Solution
The fourth proportional to 146,188,935.40, 219,212,544.30 and 81,423,992.20 is: 122,096,521.52
Step by Step Solution
- Step 1: Write the proportion equation
146,188,935.40 : 219,212,544.30 = 81,423,992.20 : x - Step 2: Convert to fraction form
146,188,935.40/219,212,544.30 = 81,423,992.20/x - Step 3: Cross multiply
146,188,935.40x = 219,212,544.30 × 81,423,992.20 - Step 4: Simplify right side
146,188,935.40x = 17,849,160,497,225,356 - Step 5: Solve for x
x = 17,849,160,497,225,356/146,188,935.40 - Step 6: Final answer
x = 122,096,521.52
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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.