Finding the Fourth Proportional to 221,303,977.79, 331,933,218.41 and 73,735,599.21
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Solution
The fourth proportional to 221,303,977.79, 331,933,218.41 and 73,735,599.21 is: 110,595,819.39
Step by Step Solution
- Step 1: Write the proportion equation
221,303,977.79 : 331,933,218.41 = 73,735,599.21 : x - Step 2: Convert to fraction form
221,303,977.79/331,933,218.41 = 73,735,599.21/x - Step 3: Cross multiply
221,303,977.79x = 331,933,218.41 × 73,735,599.21 - Step 4: Simplify right side
221,303,977.79x = 24,475,294,757,165,152 - Step 5: Solve for x
x = 24,475,294,757,165,152/221,303,977.79 - Step 6: Final answer
x = 110,595,819.39
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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.