Finding the Fourth Proportional to 89,945,752.74, 124,125,180.58 and 48,692,645.12
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Solution
The fourth proportional to 89,945,752.74, 124,125,180.58 and 48,692,645.12 is: 67,195,872.89
Step by Step Solution
- Step 1: Write the proportion equation
89,945,752.74 : 124,125,180.58 = 48,692,645.12 : x - Step 2: Convert to fraction form
89,945,752.74/124,125,180.58 = 48,692,645.12/x - Step 3: Cross multiply
89,945,752.74x = 124,125,180.58 × 48,692,645.12 - Step 4: Simplify right side
89,945,752.74x = 6,043,983,368,437,855 - Step 5: Solve for x
x = 6,043,983,368,437,855/89,945,752.74 - Step 6: Final answer
x = 67,195,872.89
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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.