Finding the Fourth Proportional to 47,424,161.65, 65,425,303.04 and 31,748,236.67
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Solution
The fourth proportional to 47,424,161.65, 65,425,303.04 and 31,748,236.67 is: 43,799,150.75
Step by Step Solution
- Step 1: Write the proportion equation
47,424,161.65 : 65,425,303.04 = 31,748,236.67 : x - Step 2: Convert to fraction form
47,424,161.65/65,425,303.04 = 31,748,236.67/x - Step 3: Cross multiply
47,424,161.65x = 65,425,303.04 × 31,748,236.67 - Step 4: Simplify right side
47,424,161.65x = 2,077,138,005,120,390.50 - Step 5: Solve for x
x = 2,077,138,005,120,390.50/47,424,161.65 - Step 6: Final answer
x = 43,799,150.75
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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.