Finding the Fourth Proportional to 75,029,525.24, 103,540,744.80 and 40,690,709.24
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Solution
The fourth proportional to 75,029,525.24, 103,540,744.80 and 40,690,709.24 is: 56,153,178.73
Step by Step Solution
- Step 1: Write the proportion equation
75,029,525.24 : 103,540,744.80 = 40,690,709.24 : x - Step 2: Convert to fraction form
75,029,525.24/103,540,744.80 = 40,690,709.24/x - Step 3: Cross multiply
75,029,525.24x = 103,540,744.80 × 40,690,709.24 - Step 4: Simplify right side
75,029,525.24x = 4,213,146,340,632,138 - Step 5: Solve for x
x = 4,213,146,340,632,138/75,029,525.24 - Step 6: Final answer
x = 56,153,178.73
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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.