Finding the Fourth Proportional to 247,750,529.80, 371,625,794.70 and 86,192,465.80
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Solution
The fourth proportional to 247,750,529.80, 371,625,794.70 and 86,192,465.80 is: 129,288,698.70
Step by Step Solution
- Step 1: Write the proportion equation
247,750,529.80 : 371,625,794.70 = 86,192,465.80 : x - Step 2: Convert to fraction form
247,750,529.80/371,625,794.70 = 86,192,465.80/x - Step 3: Cross multiply
247,750,529.80x = 371,625,794.70 × 86,192,465.80 - Step 4: Simplify right side
247,750,529.80x = 32,031,343,600,077,568 - Step 5: Solve for x
x = 32,031,343,600,077,568/247,750,529.80 - Step 6: Final answer
x = 129,288,698.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.