Finding the Fourth Proportional to 48,941,076.76, 67,540,463.99 and 28,037,149.83
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Solution
The fourth proportional to 48,941,076.76, 67,540,463.99 and 28,037,149.83 is: 38,692,285.37
Step by Step Solution
- Step 1: Write the proportion equation
48,941,076.76 : 67,540,463.99 = 28,037,149.83 : x - Step 2: Convert to fraction form
48,941,076.76/67,540,463.99 = 28,037,149.83/x - Step 3: Cross multiply
48,941,076.76x = 67,540,463.99 × 28,037,149.83 - Step 4: Simplify right side
48,941,076.76x = 1,893,642,108,475,349.25 - Step 5: Solve for x
x = 1,893,642,108,475,349.25/48,941,076.76 - Step 6: Final answer
x = 38,692,285.37
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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.