Finding the Fourth Proportional to 141,024,221.80, 211,536,332.70 and 120,868,829.80
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Solution
The fourth proportional to 141,024,221.80, 211,536,332.70 and 120,868,829.80 is: 181,303,244.70
Step by Step Solution
- Step 1: Write the proportion equation
141,024,221.80 : 211,536,332.70 = 120,868,829.80 : x - Step 2: Convert to fraction form
141,024,221.80/211,536,332.70 = 120,868,829.80/x - Step 3: Cross multiply
141,024,221.80x = 211,536,332.70 × 120,868,829.80 - Step 4: Simplify right side
141,024,221.80x = 25,568,148,993,632,472 - Step 5: Solve for x
x = 25,568,148,993,632,472/141,024,221.80 - Step 6: Final answer
x = 181,303,244.70
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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.