Finding the Fourth Proportional to 93,359,693.69, 128,847,674.79 and 53,135,469.49
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Solution
The fourth proportional to 93,359,693.69, 128,847,674.79 and 53,135,469.49 is: 73,333,377.84
Step by Step Solution
- Step 1: Write the proportion equation
93,359,693.69 : 128,847,674.79 = 53,135,469.49 : x - Step 2: Convert to fraction form
93,359,693.69/128,847,674.79 = 53,135,469.49/x - Step 3: Cross multiply
93,359,693.69x = 128,847,674.79 × 53,135,469.49 - Step 4: Simplify right side
93,359,693.69x = 6,846,381,692,661,488 - Step 5: Solve for x
x = 6,846,381,692,661,488/93,359,693.69 - Step 6: Final answer
x = 73,333,377.84
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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.