Finding the Fourth Proportional to 74,069,105.13, 111,103,340.36 and 18,737,463.84
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Solution
The fourth proportional to 74,069,105.13, 111,103,340.36 and 18,737,463.84 is: 28,106,115.48
Step by Step Solution
- Step 1: Write the proportion equation
74,069,105.13 : 111,103,340.36 = 18,737,463.84 : x - Step 2: Convert to fraction form
74,069,105.13/111,103,340.36 = 18,737,463.84/x - Step 3: Cross multiply
74,069,105.13x = 111,103,340.36 × 18,737,463.84 - Step 4: Simplify right side
74,069,105.13x = 2,081,794,821,849,508.75 - Step 5: Solve for x
x = 2,081,794,821,849,508.75/74,069,105.13 - Step 6: Final answer
x = 28,106,115.48
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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.