Finding the Fourth Proportional to 127,525,950.48, 175,941,769.79 and 77,306,270.76
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Solution
The fourth proportional to 127,525,950.48, 175,941,769.79 and 77,306,270.76 is: 106,655,955.45
Step by Step Solution
- Step 1: Write the proportion equation
127,525,950.48 : 175,941,769.79 = 77,306,270.76 : x - Step 2: Convert to fraction form
127,525,950.48/175,941,769.79 = 77,306,270.76/x - Step 3: Cross multiply
127,525,950.48x = 175,941,769.79 × 77,306,270.76 - Step 4: Simplify right side
127,525,950.48x = 13,601,402,093,379,328 - Step 5: Solve for x
x = 13,601,402,093,379,328/127,525,950.48 - Step 6: Final answer
x = 106,655,955.45
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1.5x scale
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.