Finding the Fourth Proportional to 84,278,775.72, 126,418,326.20 and 32,487,767.40
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Solution
The fourth proportional to 84,278,775.72, 126,418,326.20 and 32,487,767.40 is: 48,731,713.79
Step by Step Solution
- Step 1: Write the proportion equation
84,278,775.72 : 126,418,326.20 = 32,487,767.40 : x - Step 2: Convert to fraction form
84,278,775.72/126,418,326.20 = 32,487,767.40/x - Step 3: Cross multiply
84,278,775.72x = 126,418,326.20 × 32,487,767.40 - Step 4: Simplify right side
84,278,775.72x = 4,107,049,176,682,926 - Step 5: Solve for x
x = 4,107,049,176,682,926/84,278,775.72 - Step 6: Final answer
x = 48,731,713.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.