Finding the Fourth Proportional to 88,967,785.78, 122,766,197.61 and 49,274,276.71
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Solution
The fourth proportional to 88,967,785.78, 122,766,197.61 and 49,274,276.71 is: 67,993,325.21
Step by Step Solution
- Step 1: Write the proportion equation
88,967,785.78 : 122,766,197.61 = 49,274,276.71 : x - Step 2: Convert to fraction form
88,967,785.78/122,766,197.61 = 49,274,276.71/x - Step 3: Cross multiply
88,967,785.78x = 122,766,197.61 × 49,274,276.71 - Step 4: Simplify right side
88,967,785.78x = 6,049,215,591,669,681 - Step 5: Solve for x
x = 6,049,215,591,669,681/88,967,785.78 - Step 6: Final answer
x = 67,993,325.21
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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.