Finding the Fourth Proportional to 313,096,864.24, 432,078,876.58 and 171,981,133.12
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Solution
The fourth proportional to 313,096,864.24, 432,078,876.58 and 171,981,133.12 is: 237,336,822.17
Step by Step Solution
- Step 1: Write the proportion equation
313,096,864.24 : 432,078,876.58 = 171,981,133.12 : x - Step 2: Convert to fraction form
313,096,864.24/432,078,876.58 = 171,981,133.12/x - Step 3: Cross multiply
313,096,864.24x = 432,078,876.58 × 171,981,133.12 - Step 4: Simplify right side
313,096,864.24x = 74,309,414,791,445,024 - Step 5: Solve for x
x = 74,309,414,791,445,024/313,096,864.24 - Step 6: Final answer
x = 237,336,822.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.