Finding the Fourth Proportional to 145,615,247.18, 218,423,687.25 and 48,570,688.43
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Solution
The fourth proportional to 145,615,247.18, 218,423,687.25 and 48,570,688.43 is: 72,856,304.99
Step by Step Solution
- Step 1: Write the proportion equation
145,615,247.18 : 218,423,687.25 = 48,570,688.43 : x - Step 2: Convert to fraction form
145,615,247.18/218,423,687.25 = 48,570,688.43/x - Step 3: Cross multiply
145,615,247.18x = 218,423,687.25 × 48,570,688.43 - Step 4: Simplify right side
145,615,247.18x = 10,608,988,859,151,514 - Step 5: Solve for x
x = 10,608,988,859,151,514/145,615,247.18 - Step 6: Final answer
x = 72,856,304.99
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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.