Finding the Fourth Proportional to 98,349,647.80, 147,524,471.70 and 47,331,311.80
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Solution
The fourth proportional to 98,349,647.80, 147,524,471.70 and 47,331,311.80 is: 70,996,967.70
Step by Step Solution
- Step 1: Write the proportion equation
98,349,647.80 : 147,524,471.70 = 47,331,311.80 : x - Step 2: Convert to fraction form
98,349,647.80/147,524,471.70 = 47,331,311.80/x - Step 3: Cross multiply
98,349,647.80x = 147,524,471.70 × 47,331,311.80 - Step 4: Simplify right side
98,349,647.80x = 6,982,526,768,162,975 - Step 5: Solve for x
x = 6,982,526,768,162,975/98,349,647.80 - Step 6: Final answer
x = 70,996,967.70
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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.