Finding the Fourth Proportional to 54,444,390.24, 75,134,959.92 and 31,243,761.12
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Solution
The fourth proportional to 54,444,390.24, 75,134,959.92 and 31,243,761.12 is: 43,117,366.71
Step by Step Solution
- Step 1: Write the proportion equation
54,444,390.24 : 75,134,959.92 = 31,243,761.12 : x - Step 2: Convert to fraction form
54,444,390.24/75,134,959.92 = 31,243,761.12/x - Step 3: Cross multiply
54,444,390.24x = 75,134,959.92 × 31,243,761.12 - Step 4: Simplify right side
54,444,390.24x = 2,347,498,739,501,254.50 - Step 5: Solve for x
x = 2,347,498,739,501,254.50/54,444,390.24 - Step 6: Final answer
x = 43,117,366.71
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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.