Finding the Fourth Proportional to 87,954,504.18, 121,391,784.81 and 48,808,855.14
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Solution
The fourth proportional to 87,954,504.18, 121,391,784.81 and 48,808,855.14 is: 67,364,304.93
Step by Step Solution
- Step 1: Write the proportion equation
87,954,504.18 : 121,391,784.81 = 48,808,855.14 : x - Step 2: Convert to fraction form
87,954,504.18/121,391,784.81 = 48,808,855.14/x - Step 3: Cross multiply
87,954,504.18x = 121,391,784.81 × 48,808,855.14 - Step 4: Simplify right side
87,954,504.18x = 5,924,994,039,977,343 - Step 5: Solve for x
x = 5,924,994,039,977,343/87,954,504.18 - Step 6: Final answer
x = 67,364,304.93
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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.