Finding the Fourth Proportional to 131,777,749.70, 197,626,827.98 and 39,637,027.85
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Solution
The fourth proportional to 131,777,749.70, 197,626,827.98 and 39,637,027.85 is: 59,443,571.48
Step by Step Solution
- Step 1: Write the proportion equation
131,777,749.70 : 197,626,827.98 = 39,637,027.85 : x - Step 2: Convert to fraction form
131,777,749.70/197,626,827.98 = 39,637,027.85/x - Step 3: Cross multiply
131,777,749.70x = 197,626,827.98 × 39,637,027.85 - Step 4: Simplify right side
131,777,749.70x = 7,833,340,084,216,906 - Step 5: Solve for x
x = 7,833,340,084,216,906/131,777,749.70 - Step 6: Final answer
x = 59,443,571.48
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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.