Finding the Fourth Proportional to 127,590,251.26, 176,075,432.46 and 72,586,107.76
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Solution
The fourth proportional to 127,590,251.26, 176,075,432.46 and 72,586,107.76 is: 100,169,332.60
Step by Step Solution
- Step 1: Write the proportion equation
127,590,251.26 : 176,075,432.46 = 72,586,107.76 : x - Step 2: Convert to fraction form
127,590,251.26/176,075,432.46 = 72,586,107.76/x - Step 3: Cross multiply
127,590,251.26x = 176,075,432.46 × 72,586,107.76 - Step 4: Simplify right side
127,590,251.26x = 12,780,630,314,430,164 - Step 5: Solve for x
x = 12,780,630,314,430,164/127,590,251.26 - Step 6: Final answer
x = 100,169,332.60
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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.