Finding the Fourth Proportional to 259,300,408.41, 357,846,026.99 and 149,327,550.81
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Solution
The fourth proportional to 259,300,408.41, 357,846,026.99 and 149,327,550.81 is: 206,078,621.72
Step by Step Solution
- Step 1: Write the proportion equation
259,300,408.41 : 357,846,026.99 = 149,327,550.81 : x - Step 2: Convert to fraction form
259,300,408.41/357,846,026.99 = 149,327,550.81/x - Step 3: Cross multiply
259,300,408.41x = 357,846,026.99 × 149,327,550.81 - Step 4: Simplify right side
259,300,408.41x = 53,436,270,776,759,224 - Step 5: Solve for x
x = 53,436,270,776,759,224/259,300,408.41 - Step 6: Final answer
x = 206,078,621.72
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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.