Finding the Fourth Proportional to 187,345,048.61, 281,178,998.09 and 129,877,676.08
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Solution
The fourth proportional to 187,345,048.61, 281,178,998.09 and 129,877,676.08 is: 194,928,422.74
Step by Step Solution
- Step 1: Write the proportion equation
187,345,048.61 : 281,178,998.09 = 129,877,676.08 : x - Step 2: Convert to fraction form
187,345,048.61/281,178,998.09 = 129,877,676.08/x - Step 3: Cross multiply
187,345,048.61x = 281,178,998.09 × 129,877,676.08 - Step 4: Simplify right side
187,345,048.61x = 36,518,874,834,431,952 - Step 5: Solve for x
x = 36,518,874,834,431,952/187,345,048.61 - Step 6: Final answer
x = 194,928,422.74
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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.