Finding the Fourth Proportional to 75,539,330.80, 113,308,996.20 and 39,135,622.30
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Solution
The fourth proportional to 75,539,330.80, 113,308,996.20 and 39,135,622.30 is: 58,703,433.45
Step by Step Solution
- Step 1: Write the proportion equation
75,539,330.80 : 113,308,996.20 = 39,135,622.30 : x - Step 2: Convert to fraction form
75,539,330.80/113,308,996.20 = 39,135,622.30/x - Step 3: Cross multiply
75,539,330.80x = 113,308,996.20 × 39,135,622.30 - Step 4: Simplify right side
75,539,330.80x = 4,434,418,078,475,335 - Step 5: Solve for x
x = 4,434,418,078,475,335/75,539,330.80 - Step 6: Final answer
x = 58,703,433.45
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1.5x scale
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.