Finding the Fourth Proportional to 84,941,166.24, 116,950,337.46 and 77,183,046.18
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Solution
The fourth proportional to 84,941,166.24, 116,950,337.46 and 77,183,046.18 is: 106,268,652.72
Step by Step Solution
- Step 1: Write the proportion equation
84,941,166.24 : 116,950,337.46 = 77,183,046.18 : x - Step 2: Convert to fraction form
84,941,166.24/116,950,337.46 = 77,183,046.18/x - Step 3: Cross multiply
84,941,166.24x = 116,950,337.46 × 77,183,046.18 - Step 4: Simplify right side
84,941,166.24x = 9,026,583,296,941,764 - Step 5: Solve for x
x = 9,026,583,296,941,764/84,941,166.24 - Step 6: Final answer
x = 106,268,652.72
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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.