Finding the Fourth Proportional to 246,138,418.63, 339,775,605.27 and 153,364,763.26
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Solution
The fourth proportional to 246,138,418.63, 339,775,605.27 and 153,364,763.26 is: 211,708,540.07
Step by Step Solution
- Step 1: Write the proportion equation
246,138,418.63 : 339,775,605.27 = 153,364,763.26 : x - Step 2: Convert to fraction form
246,138,418.63/339,775,605.27 = 153,364,763.26/x - Step 3: Cross multiply
246,138,418.63x = 339,775,605.27 × 153,364,763.26 - Step 4: Simplify right side
246,138,418.63x = 52,109,605,263,756,752 - Step 5: Solve for x
x = 52,109,605,263,756,752/246,138,418.63 - Step 6: Final answer
x = 211,708,540.07
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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.