Finding the Fourth Proportional to 125,962,037,108.38, 189,077,512,964.88 and 54,286,923,161.53
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Solution
The fourth proportional to 125,962,037,108.38, 189,077,512,964.88 and 54,286,923,161.53 is: 81,488,332,941.66
Step by Step Solution
- Step 1: Write the proportion equation
125,962,037,108.38 : 189,077,512,964.88 = 54,286,923,161.53 : x - Step 2: Convert to fraction form
125,962,037,108.38/189,077,512,964.88 = 54,286,923,161.53/x - Step 3: Cross multiply
125,962,037,108.38x = 189,077,512,964.88 × 54,286,923,161.53 - Step 4: Simplify right side
125,962,037,108.38x = 10,264,436,417,897,632,366,592 - Step 5: Solve for x
x = 10,264,436,417,897,632,366,592/125,962,037,108.38 - Step 6: Final answer
x = 81,488,332,941.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.