Finding the Fourth Proportional to 268,023,644.60, 401,921,206.11 and 101,998,818.99
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Solution
The fourth proportional to 268,023,644.60, 401,921,206.11 and 101,998,818.99 is: 152,954,745.51
Step by Step Solution
- Step 1: Write the proportion equation
268,023,644.60 : 401,921,206.11 = 101,998,818.99 : x - Step 2: Convert to fraction form
268,023,644.60/401,921,206.11 = 101,998,818.99/x - Step 3: Cross multiply
268,023,644.60x = 401,921,206.11 × 101,998,818.99 - Step 4: Simplify right side
268,023,644.60x = 40,995,488,350,256,368 - Step 5: Solve for x
x = 40,995,488,350,256,368/268,023,644.60 - Step 6: Final answer
x = 152,954,745.51
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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.