Finding the Fourth Proportional to 56,821,698.74, 78,361,650.41 and 37,235,473.49
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Solution
The fourth proportional to 56,821,698.74, 78,361,650.41 and 37,235,473.49 is: 51,350,685.05
Step by Step Solution
- Step 1: Write the proportion equation
56,821,698.74 : 78,361,650.41 = 37,235,473.49 : x - Step 2: Convert to fraction form
56,821,698.74/78,361,650.41 = 37,235,473.49/x - Step 3: Cross multiply
56,821,698.74x = 78,361,650.41 × 37,235,473.49 - Step 4: Simplify right side
56,821,698.74x = 2,917,833,155,896,217 - Step 5: Solve for x
x = 2,917,833,155,896,217/56,821,698.74 - Step 6: Final answer
x = 51,350,685.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.