Finding the Fourth Proportional to 42,818,230.53, 64,254,363.97 and 18,226,118.10
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Solution
The fourth proportional to 42,818,230.53, 64,254,363.97 and 18,226,118.10 is: 27,350,677.78
Step by Step Solution
- Step 1: Write the proportion equation
42,818,230.53 : 64,254,363.97 = 18,226,118.10 : x - Step 2: Convert to fraction form
42,818,230.53/64,254,363.97 = 18,226,118.10/x - Step 3: Cross multiply
42,818,230.53x = 64,254,363.97 × 18,226,118.10 - Step 4: Simplify right side
42,818,230.53x = 1,171,107,626,157,605 - Step 5: Solve for x
x = 1,171,107,626,157,605/42,818,230.53 - Step 6: Final answer
x = 27,350,677.78
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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.