Finding the Fourth Proportional to 46,650,052.80, 69,975,079.20 and 29,685,931.20
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Solution
The fourth proportional to 46,650,052.80, 69,975,079.20 and 29,685,931.20 is: 44,528,896.80
Step by Step Solution
- Step 1: Write the proportion equation
46,650,052.80 : 69,975,079.20 = 29,685,931.20 : x - Step 2: Convert to fraction form
46,650,052.80/69,975,079.20 = 29,685,931.20/x - Step 3: Cross multiply
46,650,052.80x = 69,975,079.20 × 29,685,931.20 - Step 4: Simplify right side
46,650,052.80x = 2,077,275,386,845,751 - Step 5: Solve for x
x = 2,077,275,386,845,751/46,650,052.80 - Step 6: Final answer
x = 44,528,896.80
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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.