Finding the Fourth Proportional to 164,574,934.80, 246,862,402.20 and 149,508,582.45
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Solution
The fourth proportional to 164,574,934.80, 246,862,402.20 and 149,508,582.45 is: 224,262,873.68
Step by Step Solution
- Step 1: Write the proportion equation
164,574,934.80 : 246,862,402.20 = 149,508,582.45 : x - Step 2: Convert to fraction form
164,574,934.80/246,862,402.20 = 149,508,582.45/x - Step 3: Cross multiply
164,574,934.80x = 246,862,402.20 × 149,508,582.45 - Step 4: Simplify right side
164,574,934.80x = 36,908,047,813,123,760 - Step 5: Solve for x
x = 36,908,047,813,123,760/164,574,934.80 - Step 6: Final answer
x = 224,262,873.68
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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.