Finding the Fourth Proportional to 185,674,900.20, 278,512,350.30 and 121,104,818.70
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Solution
The fourth proportional to 185,674,900.20, 278,512,350.30 and 121,104,818.70 is: 181,657,228.05
Step by Step Solution
- Step 1: Write the proportion equation
185,674,900.20 : 278,512,350.30 = 121,104,818.70 : x - Step 2: Convert to fraction form
185,674,900.20/278,512,350.30 = 121,104,818.70/x - Step 3: Cross multiply
185,674,900.20x = 278,512,350.30 × 121,104,818.70 - Step 4: Simplify right side
185,674,900.20x = 33,729,187,688,792,392 - Step 5: Solve for x
x = 33,729,187,688,792,392/185,674,900.20 - Step 6: Final answer
x = 181,657,228.05
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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.