Finding the Fourth Proportional to 70,739,697.33, 106,109,545.95 and 19,621,716.12
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Solution
The fourth proportional to 70,739,697.33, 106,109,545.95 and 19,621,716.12 is: 29,432,574.17
Step by Step Solution
- Step 1: Write the proportion equation
70,739,697.33 : 106,109,545.95 = 19,621,716.12 : x - Step 2: Convert to fraction form
70,739,697.33/106,109,545.95 = 19,621,716.12/x - Step 3: Cross multiply
70,739,697.33x = 106,109,545.95 × 19,621,716.12 - Step 4: Simplify right side
70,739,697.33x = 2,082,051,388,252,996 - Step 5: Solve for x
x = 2,082,051,388,252,996/70,739,697.33 - Step 6: Final answer
x = 29,432,574.17
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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.