Finding the Fourth Proportional to 154,083,600.68, 212,648,821.07 and 84,482,433.68
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Solution
The fourth proportional to 154,083,600.68, 212,648,821.07 and 84,482,433.68 is: 116,593,134.14
Step by Step Solution
- Step 1: Write the proportion equation
154,083,600.68 : 212,648,821.07 = 84,482,433.68 : x - Step 2: Convert to fraction form
154,083,600.68/212,648,821.07 = 84,482,433.68/x - Step 3: Cross multiply
154,083,600.68x = 212,648,821.07 × 84,482,433.68 - Step 4: Simplify right side
154,083,600.68x = 17,965,089,921,690,804 - Step 5: Solve for x
x = 17,965,089,921,690,804/154,083,600.68 - Step 6: Final answer
x = 116,593,134.14
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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.