Finding the Fourth Proportional to 114,128,085.44, 157,496,739.36 and 65,236,563.20
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Solution
The fourth proportional to 114,128,085.44, 157,496,739.36 and 65,236,563.20 is: 90,026,446.61
Step by Step Solution
- Step 1: Write the proportion equation
114,128,085.44 : 157,496,739.36 = 65,236,563.20 : x - Step 2: Convert to fraction form
114,128,085.44/157,496,739.36 = 65,236,563.20/x - Step 3: Cross multiply
114,128,085.44x = 157,496,739.36 × 65,236,563.20 - Step 4: Simplify right side
114,128,085.44x = 10,274,545,991,052,568 - Step 5: Solve for x
x = 10,274,545,991,052,568/114,128,085.44 - Step 6: Final answer
x = 90,026,446.61
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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.