Finding the Fourth Proportional to 245,850,762.18, 339,269,953.81 and 134,339,153.25
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Solution
The fourth proportional to 245,850,762.18, 339,269,953.81 and 134,339,153.25 is: 185,385,792.23
Step by Step Solution
- Step 1: Write the proportion equation
245,850,762.18 : 339,269,953.81 = 134,339,153.25 : x - Step 2: Convert to fraction form
245,850,762.18/339,269,953.81 = 134,339,153.25/x - Step 3: Cross multiply
245,850,762.18x = 339,269,953.81 × 134,339,153.25 - Step 4: Simplify right side
245,850,762.18x = 45,577,238,318,002,008 - Step 5: Solve for x
x = 45,577,238,318,002,008/245,850,762.18 - Step 6: Final answer
x = 185,385,792.23
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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.