Finding the Fourth Proportional to 77,262,336,226.20, 115,893,504,339.30 and 74,214,840,955.80
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Solution
The fourth proportional to 77,262,336,226.20, 115,893,504,339.30 and 74,214,840,955.80 is: 111,322,261,433.70
Step by Step Solution
- Step 1: Write the proportion equation
77,262,336,226.20 : 115,893,504,339.30 = 74,214,840,955.80 : x - Step 2: Convert to fraction form
77,262,336,226.20/115,893,504,339.30 = 74,214,840,955.80/x - Step 3: Cross multiply
77,262,336,226.20x = 115,893,504,339.30 × 74,214,840,955.80 - Step 4: Simplify right side
77,262,336,226.20x = 8,601,017,992,351,466,913,792 - Step 5: Solve for x
x = 8,601,017,992,351,466,913,792/77,262,336,226.20 - Step 6: Final answer
x = 111,322,261,433.70
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1.5x scale
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.