Finding the Fourth Proportional to 45,990,912.36, 63,451,431.88 and 29,480,140.47
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Solution
The fourth proportional to 45,990,912.36, 63,451,431.88 and 29,480,140.47 is: 40,672,320.44
Step by Step Solution
- Step 1: Write the proportion equation
45,990,912.36 : 63,451,431.88 = 29,480,140.47 : x - Step 2: Convert to fraction form
45,990,912.36/63,451,431.88 = 29,480,140.47/x - Step 3: Cross multiply
45,990,912.36x = 63,451,431.88 × 29,480,140.47 - Step 4: Simplify right side
45,990,912.36x = 1,870,557,124,845,036.25 - Step 5: Solve for x
x = 1,870,557,124,845,036.25/45,990,912.36 - Step 6: Final answer
x = 40,672,320.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.