Finding the Fourth Proportional to 207,203,244.81, 285,938,724.08 and 114,381,759.75
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Solution
The fourth proportional to 207,203,244.81, 285,938,724.08 and 114,381,759.75 is: 157,845,860.33
Step by Step Solution
- Step 1: Write the proportion equation
207,203,244.81 : 285,938,724.08 = 114,381,759.75 : x - Step 2: Convert to fraction form
207,203,244.81/285,938,724.08 = 114,381,759.75/x - Step 3: Cross multiply
207,203,244.81x = 285,938,724.08 × 114,381,759.75 - Step 4: Simplify right side
207,203,244.81x = 32,706,174,440,368,188 - Step 5: Solve for x
x = 32,706,174,440,368,188/207,203,244.81 - Step 6: Final answer
x = 157,845,860.33
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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.