Finding the Fourth Proportional to 47,424,161.90, 65,425,303.38 and 31,748,236.92
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Solution
The fourth proportional to 47,424,161.90, 65,425,303.38 and 31,748,236.92 is: 43,799,151.09
Step by Step Solution
- Step 1: Write the proportion equation
47,424,161.90 : 65,425,303.38 = 31,748,236.92 : x - Step 2: Convert to fraction form
47,424,161.90/65,425,303.38 = 31,748,236.92/x - Step 3: Cross multiply
47,424,161.90x = 65,425,303.38 × 31,748,236.92 - Step 4: Simplify right side
47,424,161.90x = 2,077,138,032,390,172.75 - Step 5: Solve for x
x = 2,077,138,032,390,172.75/47,424,161.90 - Step 6: Final answer
x = 43,799,151.09
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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.