Finding the Fourth Proportional to 75,945,974.74, 104,805,948.36 and 41,138,665.18
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Solution
The fourth proportional to 75,945,974.74, 104,805,948.36 and 41,138,665.18 is: 56,771,630.53
Step by Step Solution
- Step 1: Write the proportion equation
75,945,974.74 : 104,805,948.36 = 41,138,665.18 : x - Step 2: Convert to fraction form
75,945,974.74/104,805,948.36 = 41,138,665.18/x - Step 3: Cross multiply
75,945,974.74x = 104,805,948.36 × 41,138,665.18 - Step 4: Simplify right side
75,945,974.74x = 4,311,576,818,454,410 - Step 5: Solve for x
x = 4,311,576,818,454,410/75,945,974.74 - Step 6: Final answer
x = 56,771,630.53
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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.