Finding the Fourth Proportional to 73,597,186.80, 110,395,780.20 and 66,430,825.20
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Solution
The fourth proportional to 73,597,186.80, 110,395,780.20 and 66,430,825.20 is: 99,646,237.80
Step by Step Solution
- Step 1: Write the proportion equation
73,597,186.80 : 110,395,780.20 = 66,430,825.20 : x - Step 2: Convert to fraction form
73,597,186.80/110,395,780.20 = 66,430,825.20/x - Step 3: Cross multiply
73,597,186.80x = 110,395,780.20 × 66,430,825.20 - Step 4: Simplify right side
73,597,186.80x = 7,333,682,777,283,822 - Step 5: Solve for x
x = 7,333,682,777,283,822/73,597,186.80 - Step 6: Final answer
x = 99,646,237.80
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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.