Finding the Fourth Proportional to 65,799,344.76, 90,804,481.14 and 36,031,243.02
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Solution
The fourth proportional to 65,799,344.76, 90,804,481.14 and 36,031,243.02 is: 49,723,873.99
Step by Step Solution
- Step 1: Write the proportion equation
65,799,344.76 : 90,804,481.14 = 36,031,243.02 : x - Step 2: Convert to fraction form
65,799,344.76/90,804,481.14 = 36,031,243.02/x - Step 3: Cross multiply
65,799,344.76x = 90,804,481.14 × 36,031,243.02 - Step 4: Simplify right side
65,799,344.76x = 3,271,798,327,260,347 - Step 5: Solve for x
x = 3,271,798,327,260,347/65,799,344.76 - Step 6: Final answer
x = 49,723,873.99
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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.