Finding the Fourth Proportional to 274,481,214.03, 378,790,656.99 and 149,038,697.13
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Solution
The fourth proportional to 274,481,214.03, 378,790,656.99 and 149,038,697.13 is: 205,676,975.75
Step by Step Solution
- Step 1: Write the proportion equation
274,481,214.03 : 378,790,656.99 = 149,038,697.13 : x - Step 2: Convert to fraction form
274,481,214.03/378,790,656.99 = 149,038,697.13/x - Step 3: Cross multiply
274,481,214.03x = 378,790,656.99 × 149,038,697.13 - Step 4: Simplify right side
274,481,214.03x = 56,454,466,002,806,328 - Step 5: Solve for x
x = 56,454,466,002,806,328/274,481,214.03 - Step 6: Final answer
x = 205,676,975.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.