Finding the Fourth Proportional to 103,679,045.24, 155,394,564.92 and 48,272,187.56
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Solution
The fourth proportional to 103,679,045.24, 155,394,564.92 and 48,272,187.56 is: 72,350,546.50
Step by Step Solution
- Step 1: Write the proportion equation
103,679,045.24 : 155,394,564.92 = 48,272,187.56 : x - Step 2: Convert to fraction form
103,679,045.24/155,394,564.92 = 48,272,187.56/x - Step 3: Cross multiply
103,679,045.24x = 155,394,564.92 × 48,272,187.56 - Step 4: Simplify right side
103,679,045.24x = 7,501,235,582,966,545 - Step 5: Solve for x
x = 7,501,235,582,966,545/103,679,045.24 - Step 6: Final answer
x = 72,350,546.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.