Finding the Fourth Proportional to 75,267,299.30, 103,905,368.14 and 50,478,418.38
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Solution
The fourth proportional to 75,267,299.30, 103,905,368.14 and 50,478,418.38 is: 69,684,693.00
Step by Step Solution
- Step 1: Write the proportion equation
75,267,299.30 : 103,905,368.14 = 50,478,418.38 : x - Step 2: Convert to fraction form
75,267,299.30/103,905,368.14 = 50,478,418.38/x - Step 3: Cross multiply
75,267,299.30x = 103,905,368.14 × 50,478,418.38 - Step 4: Simplify right side
75,267,299.30x = 5,244,978,644,898,843 - Step 5: Solve for x
x = 5,244,978,644,898,843/75,267,299.30 - Step 6: Final answer
x = 69,684,693.00
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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.