Finding the Fourth Proportional to 69,679,720.15, 104,512,826.49 and 21,158,000.47
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Solution
The fourth proportional to 69,679,720.15, 104,512,826.49 and 21,158,000.47 is: 31,734,949.96
Step by Step Solution
- Step 1: Write the proportion equation
69,679,720.15 : 104,512,826.49 = 21,158,000.47 : x - Step 2: Convert to fraction form
69,679,720.15/104,512,826.49 = 21,158,000.47/x - Step 3: Cross multiply
69,679,720.15x = 104,512,826.49 × 21,158,000.47 - Step 4: Simplify right side
69,679,720.15x = 2,211,282,431,996,448.25 - Step 5: Solve for x
x = 2,211,282,431,996,448.25/69,679,720.15 - Step 6: Final answer
x = 31,734,949.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.