Finding the Fourth Proportional to 165,366,002.90, 248,049,004.35 and 107,923,135.70
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Solution
The fourth proportional to 165,366,002.90, 248,049,004.35 and 107,923,135.70 is: 161,884,703.55
Step by Step Solution
- Step 1: Write the proportion equation
165,366,002.90 : 248,049,004.35 = 107,923,135.70 : x - Step 2: Convert to fraction form
165,366,002.90/248,049,004.35 = 107,923,135.70/x - Step 3: Cross multiply
165,366,002.90x = 248,049,004.35 × 107,923,135.70 - Step 4: Simplify right side
165,366,002.90x = 26,770,226,356,714,940 - Step 5: Solve for x
x = 26,770,226,356,714,940/165,366,002.90 - Step 6: Final answer
x = 161,884,703.55
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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.