Finding the Fourth Proportional to 161,743,874.66, 242,615,796.56 and 38,922,206.84
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Solution
The fourth proportional to 161,743,874.66, 242,615,796.56 and 38,922,206.84 is: 58,383,306.55
Step by Step Solution
- Step 1: Write the proportion equation
161,743,874.66 : 242,615,796.56 = 38,922,206.84 : x - Step 2: Convert to fraction form
161,743,874.66/242,615,796.56 = 38,922,206.84/x - Step 3: Cross multiply
161,743,874.66x = 242,615,796.56 × 38,922,206.84 - Step 4: Simplify right side
161,743,874.66x = 9,443,142,216,226,500 - Step 5: Solve for x
x = 9,443,142,216,226,500/161,743,874.66 - Step 6: Final answer
x = 58,383,306.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.