Finding the Fourth Proportional to 176,169,617.20, 264,254,425.80 and 130,819,985.20
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Solution
The fourth proportional to 176,169,617.20, 264,254,425.80 and 130,819,985.20 is: 196,229,977.80
Step by Step Solution
- Step 1: Write the proportion equation
176,169,617.20 : 264,254,425.80 = 130,819,985.20 : x - Step 2: Convert to fraction form
176,169,617.20/264,254,425.80 = 130,819,985.20/x - Step 3: Cross multiply
176,169,617.20x = 264,254,425.80 × 130,819,985.20 - Step 4: Simplify right side
176,169,617.20x = 34,569,760,072,190,500 - Step 5: Solve for x
x = 34,569,760,072,190,500/176,169,617.20 - Step 6: Final answer
x = 196,229,977.80
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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.