Finding the Fourth Proportional to 81,591,124.68, 122,395,653.66 and 26,983,818.84
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Solution
The fourth proportional to 81,591,124.68, 122,395,653.66 and 26,983,818.84 is: 40,478,693.71
Step by Step Solution
- Step 1: Write the proportion equation
81,591,124.68 : 122,395,653.66 = 26,983,818.84 : x - Step 2: Convert to fraction form
81,591,124.68/122,395,653.66 = 26,983,818.84/x - Step 3: Cross multiply
81,591,124.68x = 122,395,653.66 × 26,983,818.84 - Step 4: Simplify right side
81,591,124.68x = 3,302,702,145,164,823 - Step 5: Solve for x
x = 3,302,702,145,164,823/81,591,124.68 - Step 6: Final answer
x = 40,478,693.71
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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.