Finding the Fourth Proportional to 74,470,169.53, 102,769,779.68 and 40,983,504.09
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Solution
The fourth proportional to 74,470,169.53, 102,769,779.68 and 40,983,504.09 is: 56,557,756.11
Step by Step Solution
- Step 1: Write the proportion equation
74,470,169.53 : 102,769,779.68 = 40,983,504.09 : x - Step 2: Convert to fraction form
74,470,169.53/102,769,779.68 = 40,983,504.09/x - Step 3: Cross multiply
74,470,169.53x = 102,769,779.68 × 40,983,504.09 - Step 4: Simplify right side
74,470,169.53x = 4,211,865,685,843,679.50 - Step 5: Solve for x
x = 4,211,865,685,843,679.50/74,470,169.53 - Step 6: Final answer
x = 56,557,756.11
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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.