Finding the Fourth Proportional to 70,848,249.80, 106,272,374.70 and 53,716,166.60
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Solution
The fourth proportional to 70,848,249.80, 106,272,374.70 and 53,716,166.60 is: 80,574,249.90
Step by Step Solution
- Step 1: Write the proportion equation
70,848,249.80 : 106,272,374.70 = 53,716,166.60 : x - Step 2: Convert to fraction form
70,848,249.80/106,272,374.70 = 53,716,166.60/x - Step 3: Cross multiply
70,848,249.80x = 106,272,374.70 × 53,716,166.60 - Step 4: Simplify right side
70,848,249.80x = 5,708,544,584,362,825 - Step 5: Solve for x
x = 5,708,544,584,362,825/70,848,249.80 - Step 6: Final answer
x = 80,574,249.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.