Finding the Fourth Proportional to 122,634,748.31, 183,878,029.76 and 48,869,876.42
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Solution
The fourth proportional to 122,634,748.31, 183,878,029.76 and 48,869,876.42 is: 73,275,288.72
Step by Step Solution
- Step 1: Write the proportion equation
122,634,748.31 : 183,878,029.76 = 48,869,876.42 : x - Step 2: Convert to fraction form
122,634,748.31/183,878,029.76 = 48,869,876.42/x - Step 3: Cross multiply
122,634,748.31x = 183,878,029.76 × 48,869,876.42 - Step 4: Simplify right side
122,634,748.31x = 8,986,096,589,560,542 - Step 5: Solve for x
x = 8,986,096,589,560,542/122,634,748.31 - Step 6: Final answer
x = 73,275,288.72
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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.