Finding the Fourth Proportional to 217,241,256.99, 299,790,852.99 and 118,122,040.73
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Solution
The fourth proportional to 217,241,256.99, 299,790,852.99 and 118,122,040.73 is: 163,007,284.34
Step by Step Solution
- Step 1: Write the proportion equation
217,241,256.99 : 299,790,852.99 = 118,122,040.73 : x - Step 2: Convert to fraction form
217,241,256.99/299,790,852.99 = 118,122,040.73/x - Step 3: Cross multiply
217,241,256.99x = 299,790,852.99 × 118,122,040.73 - Step 4: Simplify right side
217,241,256.99x = 35,411,907,348,336,588 - Step 5: Solve for x
x = 35,411,907,348,336,588/217,241,256.99 - Step 6: Final answer
x = 163,007,284.34
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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.