Finding the Fourth Proportional to 110,592,897.80, 165,889,346.70 and 100,515,201.80
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Solution
The fourth proportional to 110,592,897.80, 165,889,346.70 and 100,515,201.80 is: 150,772,802.70
Step by Step Solution
- Step 1: Write the proportion equation
110,592,897.80 : 165,889,346.70 = 100,515,201.80 : x - Step 2: Convert to fraction form
110,592,897.80/165,889,346.70 = 100,515,201.80/x - Step 3: Cross multiply
110,592,897.80x = 165,889,346.70 × 100,515,201.80 - Step 4: Simplify right side
110,592,897.80x = 16,674,401,160,020,662 - Step 5: Solve for x
x = 16,674,401,160,020,662/110,592,897.80 - Step 6: Final answer
x = 150,772,802.70
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1.5x scale
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.