Finding the Fourth Proportional to 358,099,956.26, 537,149,905.16 and 99,315,173.19
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Solution
The fourth proportional to 358,099,956.26, 537,149,905.16 and 99,315,173.19 is: 148,972,751.68
Step by Step Solution
- Step 1: Write the proportion equation
358,099,956.26 : 537,149,905.16 = 99,315,173.19 : x - Step 2: Convert to fraction form
358,099,956.26/537,149,905.16 = 99,315,173.19/x - Step 3: Cross multiply
358,099,956.26x = 537,149,905.16 × 99,315,173.19 - Step 4: Simplify right side
358,099,956.26x = 53,347,135,859,460,896 - Step 5: Solve for x
x = 53,347,135,859,460,896/358,099,956.26 - Step 6: Final answer
x = 148,972,751.68
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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.