Finding the Fourth Proportional to 275,285,691.84, 412,917,339.05 and 68,018,882.79
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Solution
The fourth proportional to 275,285,691.84, 412,917,339.05 and 68,018,882.79 is: 102,025,557.16
Step by Step Solution
- Step 1: Write the proportion equation
275,285,691.84 : 412,917,339.05 = 68,018,882.79 : x - Step 2: Convert to fraction form
275,285,691.84/412,917,339.05 = 68,018,882.79/x - Step 3: Cross multiply
275,285,691.84x = 412,917,339.05 × 68,018,882.79 - Step 4: Simplify right side
275,285,691.84x = 28,086,176,088,455,188 - Step 5: Solve for x
x = 28,086,176,088,455,188/275,285,691.84 - Step 6: Final answer
x = 102,025,557.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.