Finding the Fourth Proportional to 49,905,970.43, 68,772,135.15 and 38,158,549.13
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Solution
The fourth proportional to 49,905,970.43, 68,772,135.15 and 38,158,549.13 is: 52,583,786.58
Step by Step Solution
- Step 1: Write the proportion equation
49,905,970.43 : 68,772,135.15 = 38,158,549.13 : x - Step 2: Convert to fraction form
49,905,970.43/68,772,135.15 = 38,158,549.13/x - Step 3: Cross multiply
49,905,970.43x = 68,772,135.15 × 38,158,549.13 - Step 4: Simplify right side
49,905,970.43x = 2,624,244,898,068,205.50 - Step 5: Solve for x
x = 2,624,244,898,068,205.50/49,905,970.43 - Step 6: Final answer
x = 52,583,786.58
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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.