Finding the Fourth Proportional to 146,765,159.36, 202,536,050.20 and 80,686,781.88
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Solution
The fourth proportional to 146,765,159.36, 202,536,050.20 and 80,686,781.88 is: 111,347,830.61
Step by Step Solution
- Step 1: Write the proportion equation
146,765,159.36 : 202,536,050.20 = 80,686,781.88 : x - Step 2: Convert to fraction form
146,765,159.36/202,536,050.20 = 80,686,781.88/x - Step 3: Cross multiply
146,765,159.36x = 202,536,050.20 × 80,686,781.88 - Step 4: Simplify right side
146,765,159.36x = 16,341,982,104,362,902 - Step 5: Solve for x
x = 16,341,982,104,362,902/146,765,159.36 - Step 6: Final answer
x = 111,347,830.61
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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.