Finding the Fourth Proportional to 251,383,679.36, 377,129,793.24 and 76,520,387.12
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Solution
The fourth proportional to 251,383,679.36, 377,129,793.24 and 76,520,387.12 is: 114,797,101.57
Step by Step Solution
- Step 1: Write the proportion equation
251,383,679.36 : 377,129,793.24 = 76,520,387.12 : x - Step 2: Convert to fraction form
251,383,679.36/377,129,793.24 = 76,520,387.12/x - Step 3: Cross multiply
251,383,679.36x = 377,129,793.24 × 76,520,387.12 - Step 4: Simplify right side
251,383,679.36x = 28,858,117,773,210,360 - Step 5: Solve for x
x = 28,858,117,773,210,360/251,383,679.36 - Step 6: Final answer
x = 114,797,101.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.