Finding the Fourth Proportional to 77,477,209.92, 106,793,934 and 52,351,472.82
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Solution
The fourth proportional to 77,477,209.92, 106,793,934 and 52,351,472.82 is: 72,160,829.47
Step by Step Solution
- Step 1: Write the proportion equation
77,477,209.92 : 106,793,934 = 52,351,472.82 : x - Step 2: Convert to fraction form
77,477,209.92/106,793,934 = 52,351,472.82/x - Step 3: Cross multiply
77,477,209.92x = 106,793,934 × 52,351,472.82 - Step 4: Simplify right side
77,477,209.92x = 5,590,819,733,141,874 - Step 5: Solve for x
x = 5,590,819,733,141,874/77,477,209.92 - Step 6: Final answer
x = 72,160,829.47
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1.5x scale
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.