Finding the Fourth Proportional to 126,765,780.20, 190,175,963.88 and 39,325,525.28
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Solution
The fourth proportional to 126,765,780.20, 190,175,963.88 and 39,325,525.28 is: 58,996,754.99
Step by Step Solution
- Step 1: Write the proportion equation
126,765,780.20 : 190,175,963.88 = 39,325,525.28 : x - Step 2: Convert to fraction form
126,765,780.20/190,175,963.88 = 39,325,525.28/x - Step 3: Cross multiply
126,765,780.20x = 190,175,963.88 × 39,325,525.28 - Step 4: Simplify right side
126,765,780.20x = 7,478,769,675,211,307 - Step 5: Solve for x
x = 7,478,769,675,211,307/126,765,780.20 - Step 6: Final answer
x = 58,996,754.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.