Finding the Fourth Proportional to 129,976,422,184.56, 194,977,992,631.20 and 44,986,077,948.12
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Solution
The fourth proportional to 129,976,422,184.56, 194,977,992,631.20 and 44,986,077,948.12 is: 67,483,740,721.99
Step by Step Solution
- Step 1: Write the proportion equation
129,976,422,184.56 : 194,977,992,631.20 = 44,986,077,948.12 : x - Step 2: Convert to fraction form
129,976,422,184.56/194,977,992,631.20 = 44,986,077,948.12/x - Step 3: Cross multiply
129,976,422,184.56x = 194,977,992,631.20 × 44,986,077,948.12 - Step 4: Simplify right side
129,976,422,184.56x = 8,771,295,174,675,326,304,256 - Step 5: Solve for x
x = 8,771,295,174,675,326,304,256/129,976,422,184.56 - Step 6: Final answer
x = 67,483,740,721.99
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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.