Finding the Fourth Proportional to 126,464,429.65, 174,467,472.82 and 84,661,963.05
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Solution
The fourth proportional to 126,464,429.65, 174,467,472.82 and 84,661,963.05 is: 116,797,733.39
Step by Step Solution
- Step 1: Write the proportion equation
126,464,429.65 : 174,467,472.82 = 84,661,963.05 : x - Step 2: Convert to fraction form
126,464,429.65/174,467,472.82 = 84,661,963.05/x - Step 3: Cross multiply
126,464,429.65x = 174,467,472.82 × 84,661,963.05 - Step 4: Simplify right side
126,464,429.65x = 14,770,758,736,890,408 - Step 5: Solve for x
x = 14,770,758,736,890,408/126,464,429.65 - Step 6: Final answer
x = 116,797,733.39
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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.