Finding the Fourth Proportional to 172,631,278.88, 238,231,260.42 and 93,246,339.98
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Solution
The fourth proportional to 172,631,278.88, 238,231,260.42 and 93,246,339.98 is: 128,680,000.80
Step by Step Solution
- Step 1: Write the proportion equation
172,631,278.88 : 238,231,260.42 = 93,246,339.98 : x - Step 2: Convert to fraction form
172,631,278.88/238,231,260.42 = 93,246,339.98/x - Step 3: Cross multiply
172,631,278.88x = 238,231,260.42 × 93,246,339.98 - Step 4: Simplify right side
172,631,278.88x = 22,214,193,102,987,236 - Step 5: Solve for x
x = 22,214,193,102,987,236/172,631,278.88 - Step 6: Final answer
x = 128,680,000.80
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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.