Finding the Fourth Proportional to 109,910,421.12, 164,866,201.92 and 64,440,330.24
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Solution
The fourth proportional to 109,910,421.12, 164,866,201.92 and 64,440,330.24 is: 96,660,829.69
Step by Step Solution
- Step 1: Write the proportion equation
109,910,421.12 : 164,866,201.92 = 64,440,330.24 : x - Step 2: Convert to fraction form
109,910,421.12/164,866,201.92 = 64,440,330.24/x - Step 3: Cross multiply
109,910,421.12x = 164,866,201.92 × 64,440,330.24 - Step 4: Simplify right side
109,910,421.12x = 10,624,032,497,139,322 - Step 5: Solve for x
x = 10,624,032,497,139,322/109,910,421.12 - Step 6: Final answer
x = 96,660,829.69
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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.