Finding the Fourth Proportional to 124,517,448.87, 171,832,285.74 and 68,765,228.31
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Solution
The fourth proportional to 124,517,448.87, 171,832,285.74 and 68,765,228.31 is: 94,895,024.49
Step by Step Solution
- Step 1: Write the proportion equation
124,517,448.87 : 171,832,285.74 = 68,765,228.31 : x - Step 2: Convert to fraction form
124,517,448.87/171,832,285.74 = 68,765,228.31/x - Step 3: Cross multiply
124,517,448.87x = 171,832,285.74 × 68,765,228.31 - Step 4: Simplify right side
124,517,448.87x = 11,816,086,359,940,258 - Step 5: Solve for x
x = 11,816,086,359,940,258/124,517,448.87 - Step 6: Final answer
x = 94,895,024.49
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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.