Finding the Fourth Proportional to 55,145,438.70, 82,718,158.05 and 14,755,922.70
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Solution
The fourth proportional to 55,145,438.70, 82,718,158.05 and 14,755,922.70 is: 22,133,884.05
Step by Step Solution
- Step 1: Write the proportion equation
55,145,438.70 : 82,718,158.05 = 14,755,922.70 : x - Step 2: Convert to fraction form
55,145,438.70/82,718,158.05 = 14,755,922.70/x - Step 3: Cross multiply
55,145,438.70x = 82,718,158.05 × 14,755,922.70 - Step 4: Simplify right side
55,145,438.70x = 1,220,582,746,072,182.75 - Step 5: Solve for x
x = 1,220,582,746,072,182.75/55,145,438.70 - Step 6: Final answer
x = 22,133,884.05
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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.