Finding the Fourth Proportional to 88,419,417.60, 122,015,934.79 and 50,748,782.05
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Solution
The fourth proportional to 88,419,417.60, 122,015,934.79 and 50,748,782.05 is: 70,031,676.86
Step by Step Solution
- Step 1: Write the proportion equation
88,419,417.60 : 122,015,934.79 = 50,748,782.05 : x - Step 2: Convert to fraction form
88,419,417.60/122,015,934.79 = 50,748,782.05/x - Step 3: Cross multiply
88,419,417.60x = 122,015,934.79 × 50,748,782.05 - Step 4: Simplify right side
88,419,417.60x = 6,192,160,081,110,110 - Step 5: Solve for x
x = 6,192,160,081,110,110/88,419,417.60 - Step 6: Final answer
x = 70,031,676.86
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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.