Finding the Fourth Proportional to 125,525,354.40, 173,058,576.84 and 103,114,156.68
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Solution
The fourth proportional to 125,525,354.40, 173,058,576.84 and 103,114,156.68 is: 142,160,835.09
Step by Step Solution
- Step 1: Write the proportion equation
125,525,354.40 : 173,058,576.84 = 103,114,156.68 : x - Step 2: Convert to fraction form
125,525,354.40/173,058,576.84 = 103,114,156.68/x - Step 3: Cross multiply
125,525,354.40x = 173,058,576.84 × 103,114,156.68 - Step 4: Simplify right side
125,525,354.40x = 17,844,789,207,097,580 - Step 5: Solve for x
x = 17,844,789,207,097,580/125,525,354.40 - Step 6: Final answer
x = 142,160,835.09
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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.