Finding the Fourth Proportional to 65,000,912.40, 97,539,163.20 and 26,689,921.20
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Solution
The fourth proportional to 65,000,912.40, 97,539,163.20 and 26,689,921.20 is: 40,050,400.58
Step by Step Solution
- Step 1: Write the proportion equation
65,000,912.40 : 97,539,163.20 = 26,689,921.20 : x - Step 2: Convert to fraction form
65,000,912.40/97,539,163.20 = 26,689,921.20/x - Step 3: Cross multiply
65,000,912.40x = 97,539,163.20 × 26,689,921.20 - Step 4: Simplify right side
65,000,912.40x = 2,603,312,579,721,940 - Step 5: Solve for x
x = 2,603,312,579,721,940/65,000,912.40 - Step 6: Final answer
x = 40,050,400.58
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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.