Finding the Fourth Proportional to 212,302,141.29, 292,986,381.83 and 119,488,660.65
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Solution
The fourth proportional to 212,302,141.29, 292,986,381.83 and 119,488,660.65 is: 164,899,657.35
Step by Step Solution
- Step 1: Write the proportion equation
212,302,141.29 : 292,986,381.83 = 119,488,660.65 : x - Step 2: Convert to fraction form
212,302,141.29/292,986,381.83 = 119,488,660.65/x - Step 3: Cross multiply
212,302,141.29x = 292,986,381.83 × 119,488,660.65 - Step 4: Simplify right side
212,302,141.29x = 35,008,550,352,958,752 - Step 5: Solve for x
x = 35,008,550,352,958,752/212,302,141.29 - Step 6: Final answer
x = 164,899,657.35
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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.