Finding the Fourth Proportional to 48,780,497.57, 67,310,880.75 and 27,873,885.41
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Solution
The fourth proportional to 48,780,497.57, 67,310,880.75 and 27,873,885.41 is: 38,462,415.72
Step by Step Solution
- Step 1: Write the proportion equation
48,780,497.57 : 67,310,880.75 = 27,873,885.41 : x - Step 2: Convert to fraction form
48,780,497.57/67,310,880.75 = 27,873,885.41/x - Step 3: Cross multiply
48,780,497.57x = 67,310,880.75 × 27,873,885.41 - Step 4: Simplify right side
48,780,497.57x = 1,876,215,776,535,120.50 - Step 5: Solve for x
x = 1,876,215,776,535,120.50/48,780,497.57 - Step 6: Final answer
x = 38,462,415.72
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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.