Finding the Fourth Proportional to 201,938,828.68, 278,675,571.68 and 109,119,333.52
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Solution
The fourth proportional to 201,938,828.68, 278,675,571.68 and 109,119,333.52 is: 150,584,673.83
Step by Step Solution
- Step 1: Write the proportion equation
201,938,828.68 : 278,675,571.68 = 109,119,333.52 : x - Step 2: Convert to fraction form
201,938,828.68/278,675,571.68 = 109,119,333.52/x - Step 3: Cross multiply
201,938,828.68x = 278,675,571.68 × 109,119,333.52 - Step 4: Simplify right side
201,938,828.68x = 30,408,892,650,026,588 - Step 5: Solve for x
x = 30,408,892,650,026,588/201,938,828.68 - Step 6: Final answer
x = 150,584,673.83
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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.