Finding the Fourth Proportional to 132,597,490.05, 182,986,432.02 and 76,091,444.28
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Solution
The fourth proportional to 132,597,490.05, 182,986,432.02 and 76,091,444.28 is: 105,007,280.99
Step by Step Solution
- Step 1: Write the proportion equation
132,597,490.05 : 182,986,432.02 = 76,091,444.28 : x - Step 2: Convert to fraction form
132,597,490.05/182,986,432.02 = 76,091,444.28/x - Step 3: Cross multiply
132,597,490.05x = 182,986,432.02 × 76,091,444.28 - Step 4: Simplify right side
132,597,490.05x = 13,923,701,896,045,838 - Step 5: Solve for x
x = 13,923,701,896,045,838/132,597,490.05 - Step 6: Final answer
x = 105,007,280.99
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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.