Finding the Fourth Proportional to 252,818,021.13, 379,227,032.60 and 71,065,199.13
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Solution
The fourth proportional to 252,818,021.13, 379,227,032.60 and 71,065,199.13 is: 106,597,798.95
Step by Step Solution
- Step 1: Write the proportion equation
252,818,021.13 : 379,227,032.60 = 71,065,199.13 : x - Step 2: Convert to fraction form
252,818,021.13/379,227,032.60 = 71,065,199.13/x - Step 3: Cross multiply
252,818,021.13x = 379,227,032.60 × 71,065,199.13 - Step 4: Simplify right side
252,818,021.13x = 26,949,844,587,198,000 - Step 5: Solve for x
x = 26,949,844,587,198,000/252,818,021.13 - Step 6: Final answer
x = 106,597,798.95
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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.