Finding the Fourth Proportional to 126,464,430.23, 174,467,473.62 and 84,661,963.62
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Solution
The fourth proportional to 126,464,430.23, 174,467,473.62 and 84,661,963.62 is: 116,797,734.18
Step by Step Solution
- Step 1: Write the proportion equation
126,464,430.23 : 174,467,473.62 = 84,661,963.62 : x - Step 2: Convert to fraction form
126,464,430.23/174,467,473.62 = 84,661,963.62/x - Step 3: Cross multiply
126,464,430.23x = 174,467,473.62 × 84,661,963.62 - Step 4: Simplify right side
126,464,430.23x = 14,770,758,904,489,750 - Step 5: Solve for x
x = 14,770,758,904,489,750/126,464,430.23 - Step 6: Final answer
x = 116,797,734.18
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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.