Finding the Fourth Proportional to 43,162,541.40, 64,743,812.10 and 29,557,651.80
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Solution
The fourth proportional to 43,162,541.40, 64,743,812.10 and 29,557,651.80 is: 44,336,477.70
Step by Step Solution
- Step 1: Write the proportion equation
43,162,541.40 : 64,743,812.10 = 29,557,651.80 : x - Step 2: Convert to fraction form
43,162,541.40/64,743,812.10 = 29,557,651.80/x - Step 3: Cross multiply
43,162,541.40x = 64,743,812.10 × 29,557,651.80 - Step 4: Simplify right side
43,162,541.40x = 1,913,675,054,256,426.75 - Step 5: Solve for x
x = 1,913,675,054,256,426.75/43,162,541.40 - Step 6: Final answer
x = 44,336,477.70
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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.