Finding the Fourth Proportional to 87,954,502.68, 121,391,782.74 and 48,808,853.64
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Solution
The fourth proportional to 87,954,502.68, 121,391,782.74 and 48,808,853.64 is: 67,364,302.86
Step by Step Solution
- Step 1: Write the proportion equation
87,954,502.68 : 121,391,782.74 = 48,808,853.64 : x - Step 2: Convert to fraction form
87,954,502.68/121,391,782.74 = 48,808,853.64/x - Step 3: Cross multiply
87,954,502.68x = 121,391,782.74 × 48,808,853.64 - Step 4: Simplify right side
87,954,502.68x = 5,924,993,756,855,338 - Step 5: Solve for x
x = 5,924,993,756,855,338/87,954,502.68 - Step 6: Final answer
x = 67,364,302.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.