Finding the Fourth Proportional to 183,522,027.80, 275,283,041.70 and 128,996,181.20
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Solution
The fourth proportional to 183,522,027.80, 275,283,041.70 and 128,996,181.20 is: 193,494,271.80
Step by Step Solution
- Step 1: Write the proportion equation
183,522,027.80 : 275,283,041.70 = 128,996,181.20 : x - Step 2: Convert to fraction form
183,522,027.80/275,283,041.70 = 128,996,181.20/x - Step 3: Cross multiply
183,522,027.80x = 275,283,041.70 × 128,996,181.20 - Step 4: Simplify right side
183,522,027.80x = 35,510,461,128,420,356 - Step 5: Solve for x
x = 35,510,461,128,420,356/183,522,027.80 - Step 6: Final answer
x = 193,494,271.80
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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.