Finding the Fourth Proportional to 83,868,864.87, 125,761,199.59 and 48,865,309.31
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Solution
The fourth proportional to 83,868,864.87, 125,761,199.59 and 48,865,309.31 is: 73,273,436.18
Step by Step Solution
- Step 1: Write the proportion equation
83,868,864.87 : 125,761,199.59 = 48,865,309.31 : x - Step 2: Convert to fraction form
83,868,864.87/125,761,199.59 = 48,865,309.31/x - Step 3: Cross multiply
83,868,864.87x = 125,761,199.59 × 48,865,309.31 - Step 4: Simplify right side
83,868,864.87x = 6,145,359,917,161,996 - Step 5: Solve for x
x = 6,145,359,917,161,996/83,868,864.87 - Step 6: Final answer
x = 73,273,436.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.