Finding the Fourth Proportional to 49,942,862.05, 74,919,282.68 and 13,551,830.05
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Solution
The fourth proportional to 49,942,862.05, 74,919,282.68 and 13,551,830.05 is: 20,329,098.99
Step by Step Solution
- Step 1: Write the proportion equation
49,942,862.05 : 74,919,282.68 = 13,551,830.05 : x - Step 2: Convert to fraction form
49,942,862.05/74,919,282.68 = 13,551,830.05/x - Step 3: Cross multiply
49,942,862.05x = 74,919,282.68 × 13,551,830.05 - Step 4: Simplify right side
49,942,862.05x = 1,015,293,386,279,509.38 - Step 5: Solve for x
x = 1,015,293,386,279,509.38/49,942,862.05 - Step 6: Final answer
x = 20,329,098.99
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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.