Finding the Fourth Proportional to 194,673,709.44, 268,650,453.60 and 106,575,899.76
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Solution
The fourth proportional to 194,673,709.44, 268,650,453.60 and 106,575,899.76 is: 147,075,143.82
Step by Step Solution
- Step 1: Write the proportion equation
194,673,709.44 : 268,650,453.60 = 106,575,899.76 : x - Step 2: Convert to fraction form
194,673,709.44/268,650,453.60 = 106,575,899.76/x - Step 3: Cross multiply
194,673,709.44x = 268,650,453.60 × 106,575,899.76 - Step 4: Simplify right side
194,673,709.44x = 28,631,663,813,352,136 - Step 5: Solve for x
x = 28,631,663,813,352,136/194,673,709.44 - Step 6: Final answer
x = 147,075,143.82
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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.