Finding the Fourth Proportional to 47,153,044.42, 65,047,391.20 and 27,561,132.97
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Solution
The fourth proportional to 47,153,044.42, 65,047,391.20 and 27,561,132.97 is: 38,020,446.41
Step by Step Solution
- Step 1: Write the proportion equation
47,153,044.42 : 65,047,391.20 = 27,561,132.97 : x - Step 2: Convert to fraction form
47,153,044.42/65,047,391.20 = 27,561,132.97/x - Step 3: Cross multiply
47,153,044.42x = 65,047,391.20 × 27,561,132.97 - Step 4: Simplify right side
47,153,044.42x = 1,792,779,798,214,807.75 - Step 5: Solve for x
x = 1,792,779,798,214,807.75/47,153,044.42 - Step 6: Final answer
x = 38,020,446.41
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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.