Finding the Fourth Proportional to 221,477,607.20, 332,216,410.80 and 106,434,408.80
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Solution
The fourth proportional to 221,477,607.20, 332,216,410.80 and 106,434,408.80 is: 159,651,613.20
Step by Step Solution
- Step 1: Write the proportion equation
221,477,607.20 : 332,216,410.80 = 106,434,408.80 : x - Step 2: Convert to fraction form
221,477,607.20/332,216,410.80 = 106,434,408.80/x - Step 3: Cross multiply
221,477,607.20x = 332,216,410.80 × 106,434,408.80 - Step 4: Simplify right side
221,477,607.20x = 35,359,257,277,155,936 - Step 5: Solve for x
x = 35,359,257,277,155,936/221,477,607.20 - Step 6: Final answer
x = 159,651,613.20
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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.