Finding the Fourth Proportional to 75,539,768.80, 113,337,646.80 and 24,423,455.20
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Solution
The fourth proportional to 75,539,768.80, 113,337,646.80 and 24,423,455.20 is: 36,644,233.67
Step by Step Solution
- Step 1: Write the proportion equation
75,539,768.80 : 113,337,646.80 = 24,423,455.20 : x - Step 2: Convert to fraction form
75,539,768.80/113,337,646.80 = 24,423,455.20/x - Step 3: Cross multiply
75,539,768.80x = 113,337,646.80 × 24,423,455.20 - Step 4: Simplify right side
75,539,768.80x = 2,768,096,939,093,223 - Step 5: Solve for x
x = 2,768,096,939,093,223/75,539,768.80 - Step 6: Final answer
x = 36,644,233.67
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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.