Finding the Fourth Proportional to 68,637,440.21, 94,680,128.27 and 41,119,425.23
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Solution
The fourth proportional to 68,637,440.21, 94,680,128.27 and 41,119,425.23 is: 56,721,119.60
Step by Step Solution
- Step 1: Write the proportion equation
68,637,440.21 : 94,680,128.27 = 41,119,425.23 : x - Step 2: Convert to fraction form
68,637,440.21/94,680,128.27 = 41,119,425.23/x - Step 3: Cross multiply
68,637,440.21x = 94,680,128.27 × 41,119,425.23 - Step 4: Simplify right side
68,637,440.21x = 3,893,192,454,794,472 - Step 5: Solve for x
x = 3,893,192,454,794,472/68,637,440.21 - Step 6: Final answer
x = 56,721,119.60
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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.