Finding the Fourth Proportional to 248,079,656.21, 372,349,433.39 and 125,344,235.70
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Solution
The fourth proportional to 248,079,656.21, 372,349,433.39 and 125,344,235.70 is: 188,132,537.17
Step by Step Solution
- Step 1: Write the proportion equation
248,079,656.21 : 372,349,433.39 = 125,344,235.70 : x - Step 2: Convert to fraction form
248,079,656.21/372,349,433.39 = 125,344,235.70/x - Step 3: Cross multiply
248,079,656.21x = 372,349,433.39 × 125,344,235.70 - Step 4: Simplify right side
248,079,656.21x = 46,671,855,140,970,888 - Step 5: Solve for x
x = 46,671,855,140,970,888/248,079,656.21 - Step 6: Final answer
x = 188,132,537.17
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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.