Finding the Fourth Proportional to 178,558,510.91, 246,437,638.67 and 108,984,321.95
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Solution
The fourth proportional to 178,558,510.91, 246,437,638.67 and 108,984,321.95 is: 150,414,778.98
Step by Step Solution
- Step 1: Write the proportion equation
178,558,510.91 : 246,437,638.67 = 108,984,321.95 : x - Step 2: Convert to fraction form
178,558,510.91/246,437,638.67 = 108,984,321.95/x - Step 3: Cross multiply
178,558,510.91x = 246,437,638.67 × 108,984,321.95 - Step 4: Simplify right side
178,558,510.91x = 26,857,838,952,449,324 - Step 5: Solve for x
x = 26,857,838,952,449,324/178,558,510.91 - Step 6: Final answer
x = 150,414,778.98
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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.