Finding the Fourth Proportional to 183,765,159.60, 275,647,739.40 and 81,539,530.80
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Solution
The fourth proportional to 183,765,159.60, 275,647,739.40 and 81,539,530.80 is: 122,309,296.20
Step by Step Solution
- Step 1: Write the proportion equation
183,765,159.60 : 275,647,739.40 = 81,539,530.80 : x - Step 2: Convert to fraction form
183,765,159.60/275,647,739.40 = 81,539,530.80/x - Step 3: Cross multiply
183,765,159.60x = 275,647,739.40 × 81,539,530.80 - Step 4: Simplify right side
183,765,159.60x = 22,476,187,336,756,672 - Step 5: Solve for x
x = 22,476,187,336,756,672/183,765,159.60 - Step 6: Final answer
x = 122,309,296.20
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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.