Finding the Fourth Proportional to 79,962,648.48, 110,329,474.95 and 48,600,149.94
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Solution
The fourth proportional to 79,962,648.48, 110,329,474.95 and 48,600,149.94 is: 67,056,671.17
Step by Step Solution
- Step 1: Write the proportion equation
79,962,648.48 : 110,329,474.95 = 48,600,149.94 : x - Step 2: Convert to fraction form
79,962,648.48/110,329,474.95 = 48,600,149.94/x - Step 3: Cross multiply
79,962,648.48x = 110,329,474.95 × 48,600,149.94 - Step 4: Simplify right side
79,962,648.48x = 5,362,029,025,371,474 - Step 5: Solve for x
x = 5,362,029,025,371,474/79,962,648.48 - Step 6: Final answer
x = 67,056,671.17
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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.