Finding the Fourth Proportional to 73,427,178.85, 110,128,797.69 and 21,599,660.71
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Solution
The fourth proportional to 73,427,178.85, 110,128,797.69 and 21,599,660.71 is: 32,395,969.75
Step by Step Solution
- Step 1: Write the proportion equation
73,427,178.85 : 110,128,797.69 = 21,599,660.71 : x - Step 2: Convert to fraction form
73,427,178.85/110,128,797.69 = 21,599,660.71/x - Step 3: Cross multiply
73,427,178.85x = 110,128,797.69 × 21,599,660.71 - Step 4: Simplify right side
73,427,178.85x = 2,378,744,664,682,500 - Step 5: Solve for x
x = 2,378,744,664,682,500/73,427,178.85 - Step 6: Final answer
x = 32,395,969.75
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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.