Finding the Fourth Proportional to 84,068,416.27, 126,098,138.32 and 22,656,589.67
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Solution
The fourth proportional to 84,068,416.27, 126,098,138.32 and 22,656,589.67 is: 33,983,675.50
Step by Step Solution
- Step 1: Write the proportion equation
84,068,416.27 : 126,098,138.32 = 22,656,589.67 : x - Step 2: Convert to fraction form
84,068,416.27/126,098,138.32 = 22,656,589.67/x - Step 3: Cross multiply
84,068,416.27x = 126,098,138.32 × 22,656,589.67 - Step 4: Simplify right side
84,068,416.27x = 2,856,953,778,325,747 - Step 5: Solve for x
x = 2,856,953,778,325,747/84,068,416.27 - Step 6: Final answer
x = 33,983,675.50
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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.