Finding the Fourth Proportional to 130,650,961,806.01, 180,274,392,805.56 and 72,777,901,407.90
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Solution
The fourth proportional to 130,650,961,806.01, 180,274,392,805.56 and 72,777,901,407.90 is: 100,420,171,459.99
Step by Step Solution
- Step 1: Write the proportion equation
130,650,961,806.01 : 180,274,392,805.56 = 72,777,901,407.90 : x - Step 2: Convert to fraction form
130,650,961,806.01/180,274,392,805.56 = 72,777,901,407.90/x - Step 3: Cross multiply
130,650,961,806.01x = 180,274,392,805.56 × 72,777,901,407.90 - Step 4: Simplify right side
130,650,961,806.01x = 13,119,991,985,972,082,376,704 - Step 5: Solve for x
x = 13,119,991,985,972,082,376,704/130,650,961,806.01 - Step 6: Final answer
x = 100,420,171,459.99
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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.