Finding the Fourth Proportional to 239,274,763.68, 330,309,491.76 and 140,141,826.24
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Solution
The fourth proportional to 239,274,763.68, 330,309,491.76 and 140,141,826.24 is: 193,460,332.75
Step by Step Solution
- Step 1: Write the proportion equation
239,274,763.68 : 330,309,491.76 = 140,141,826.24 : x - Step 2: Convert to fraction form
239,274,763.68/330,309,491.76 = 140,141,826.24/x - Step 3: Cross multiply
239,274,763.68x = 330,309,491.76 × 140,141,826.24 - Step 4: Simplify right side
239,274,763.68x = 46,290,175,399,652,632 - Step 5: Solve for x
x = 46,290,175,399,652,632/239,274,763.68 - Step 6: Final answer
x = 193,460,332.75
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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.