Finding the Fourth Proportional to 90,235,935.44, 124,525,748.76 and 48,982,855.76
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Solution
The fourth proportional to 90,235,935.44, 124,525,748.76 and 48,982,855.76 is: 67,596,426.64
Step by Step Solution
- Step 1: Write the proportion equation
90,235,935.44 : 124,525,748.76 = 48,982,855.76 : x - Step 2: Convert to fraction form
90,235,935.44/124,525,748.76 = 48,982,855.76/x - Step 3: Cross multiply
90,235,935.44x = 124,525,748.76 × 48,982,855.76 - Step 4: Simplify right side
90,235,935.44x = 6,099,626,789,917,079 - Step 5: Solve for x
x = 6,099,626,789,917,079/90,235,935.44 - Step 6: Final answer
x = 67,596,426.64
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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.