Finding the Fourth Proportional to 189,024,269.20, 283,536,403.80 and 160,806,720.40
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Solution
The fourth proportional to 189,024,269.20, 283,536,403.80 and 160,806,720.40 is: 241,210,080.60
Step by Step Solution
- Step 1: Write the proportion equation
189,024,269.20 : 283,536,403.80 = 160,806,720.40 : x - Step 2: Convert to fraction form
189,024,269.20/283,536,403.80 = 160,806,720.40/x - Step 3: Cross multiply
189,024,269.20x = 283,536,403.80 × 160,806,720.40 - Step 4: Simplify right side
189,024,269.20x = 45,594,559,209,088,104 - Step 5: Solve for x
x = 45,594,559,209,088,104/189,024,269.20 - Step 6: Final answer
x = 241,210,080.60
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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.