Finding the Fourth Proportional to 219,246,134.34, 302,535,254.94 and 121,436,495.94
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Solution
The fourth proportional to 219,246,134.34, 302,535,254.94 and 121,436,495.94 is: 167,568,843.89
Step by Step Solution
- Step 1: Write the proportion equation
219,246,134.34 : 302,535,254.94 = 121,436,495.94 : x - Step 2: Convert to fraction form
219,246,134.34/302,535,254.94 = 121,436,495.94/x - Step 3: Cross multiply
219,246,134.34x = 302,535,254.94 × 121,436,495.94 - Step 4: Simplify right side
219,246,134.34x = 36,738,821,258,228,176 - Step 5: Solve for x
x = 36,738,821,258,228,176/219,246,134.34 - Step 6: Final answer
x = 167,568,843.89
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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.