Finding the Fourth Proportional to 103,797,897.43, 143,238,576.86 and 57,386,958.07
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Solution
The fourth proportional to 103,797,897.43, 143,238,576.86 and 57,386,958.07 is: 79,192,608.02
Step by Step Solution
- Step 1: Write the proportion equation
103,797,897.43 : 143,238,576.86 = 57,386,958.07 : x - Step 2: Convert to fraction form
103,797,897.43/143,238,576.86 = 57,386,958.07/x - Step 3: Cross multiply
103,797,897.43x = 143,238,576.86 × 57,386,958.07 - Step 4: Simplify right side
103,797,897.43x = 8,220,026,204,271,293 - Step 5: Solve for x
x = 8,220,026,204,271,293/103,797,897.43 - Step 6: Final answer
x = 79,192,608.02
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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.