Finding the Fourth Proportional to 129,458,360.24, 194,264,153.85 and 47,634,698.97
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Solution
The fourth proportional to 129,458,360.24, 194,264,153.85 and 47,634,698.97 is: 71,480,238.68
Step by Step Solution
- Step 1: Write the proportion equation
129,458,360.24 : 194,264,153.85 = 47,634,698.97 : x - Step 2: Convert to fraction form
129,458,360.24/194,264,153.85 = 47,634,698.97/x - Step 3: Cross multiply
129,458,360.24x = 194,264,153.85 × 47,634,698.97 - Step 4: Simplify right side
129,458,360.24x = 9,253,714,489,306,516 - Step 5: Solve for x
x = 9,253,714,489,306,516/129,458,360.24 - Step 6: Final answer
x = 71,480,238.68
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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.