Finding the Fourth Proportional to 157,720,458.29, 236,633,247.20 and 99,360,761.05
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Solution
The fourth proportional to 157,720,458.29, 236,633,247.20 and 99,360,761.05 is: 149,074,253.18
Step by Step Solution
- Step 1: Write the proportion equation
157,720,458.29 : 236,633,247.20 = 99,360,761.05 : x - Step 2: Convert to fraction form
157,720,458.29/236,633,247.20 = 99,360,761.05/x - Step 3: Cross multiply
157,720,458.29x = 236,633,247.20 × 99,360,761.05 - Step 4: Simplify right side
157,720,458.29x = 23,512,059,531,524,780 - Step 5: Solve for x
x = 23,512,059,531,524,780/157,720,458.29 - Step 6: Final answer
x = 149,074,253.18
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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.