Finding the Fourth Proportional to 146,765,160.11, 202,536,051.23 and 80,686,782.63
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Solution
The fourth proportional to 146,765,160.11, 202,536,051.23 and 80,686,782.63 is: 111,347,831.65
Step by Step Solution
- Step 1: Write the proportion equation
146,765,160.11 : 202,536,051.23 = 80,686,782.63 : x - Step 2: Convert to fraction form
146,765,160.11/202,536,051.23 = 80,686,782.63/x - Step 3: Cross multiply
146,765,160.11x = 202,536,051.23 × 80,686,782.63 - Step 4: Simplify right side
146,765,160.11x = 16,341,982,340,535,270 - Step 5: Solve for x
x = 16,341,982,340,535,270/146,765,160.11 - Step 6: Final answer
x = 111,347,831.65
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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.