Finding the Fourth Proportional to 212,826,740.97, 293,700,772.63 and 115,041,596.97
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Solution
The fourth proportional to 212,826,740.97, 293,700,772.63 and 115,041,596.97 is: 158,757,333.59
Step by Step Solution
- Step 1: Write the proportion equation
212,826,740.97 : 293,700,772.63 = 115,041,596.97 : x - Step 2: Convert to fraction form
212,826,740.97/293,700,772.63 = 115,041,596.97/x - Step 3: Cross multiply
212,826,740.97x = 293,700,772.63 × 115,041,596.97 - Step 4: Simplify right side
212,826,740.97x = 33,787,805,913,073,960 - Step 5: Solve for x
x = 33,787,805,913,073,960/212,826,740.97 - Step 6: Final answer
x = 158,757,333.59
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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.