Finding the Fourth Proportional to 187,358,079.20, 258,548,596.24 and 103,729,937
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Solution
The fourth proportional to 187,358,079.20, 258,548,596.24 and 103,729,937 is: 143,144,238.64
Step by Step Solution
- Step 1: Write the proportion equation
187,358,079.20 : 258,548,596.24 = 103,729,937 : x - Step 2: Convert to fraction form
187,358,079.20/258,548,596.24 = 103,729,937/x - Step 3: Cross multiply
187,358,079.20x = 258,548,596.24 × 103,729,937 - Step 4: Simplify right side
187,358,079.20x = 26,819,229,599,413,636 - Step 5: Solve for x
x = 26,819,229,599,413,636/187,358,079.20 - Step 6: Final answer
x = 143,144,238.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.