Finding the Fourth Proportional to 269,518,318.36, 371,938,893.15 and 152,043,285.31
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Solution
The fourth proportional to 269,518,318.36, 371,938,893.15 and 152,043,285.31 is: 209,821,772.39
Step by Step Solution
- Step 1: Write the proportion equation
269,518,318.36 : 371,938,893.15 = 152,043,285.31 : x - Step 2: Convert to fraction form
269,518,318.36/371,938,893.15 = 152,043,285.31/x - Step 3: Cross multiply
269,518,318.36x = 371,938,893.15 × 152,043,285.31 - Step 4: Simplify right side
269,518,318.36x = 56,550,811,250,274,528 - Step 5: Solve for x
x = 56,550,811,250,274,528/269,518,318.36 - Step 6: Final answer
x = 209,821,772.39
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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.