Finding the Fourth Proportional to 117,962,423.21, 162,857,973.74 and 104,873,529.60
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Solution
The fourth proportional to 117,962,423.21, 162,857,973.74 and 104,873,529.60 is: 144,787,552.37
Step by Step Solution
- Step 1: Write the proportion equation
117,962,423.21 : 162,857,973.74 = 104,873,529.60 : x - Step 2: Convert to fraction form
117,962,423.21/162,857,973.74 = 104,873,529.60/x - Step 3: Cross multiply
117,962,423.21x = 162,857,973.74 × 104,873,529.60 - Step 4: Simplify right side
117,962,423.21x = 17,079,490,529,093,546 - Step 5: Solve for x
x = 17,079,490,529,093,546/117,962,423.21 - Step 6: Final answer
x = 144,787,552.37
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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.