Finding the Fourth Proportional to 77,262,336,223.70, 115,893,504,335.55 and 74,214,840,953.30
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Solution
The fourth proportional to 77,262,336,223.70, 115,893,504,335.55 and 74,214,840,953.30 is: 111,322,261,429.95
Step by Step Solution
- Step 1: Write the proportion equation
77,262,336,223.70 : 115,893,504,335.55 = 74,214,840,953.30 : x - Step 2: Convert to fraction form
77,262,336,223.70/115,893,504,335.55 = 74,214,840,953.30/x - Step 3: Cross multiply
77,262,336,223.70x = 115,893,504,335.55 × 74,214,840,953.30 - Step 4: Simplify right side
77,262,336,223.70x = 8,601,017,991,783,428,128,768 - Step 5: Solve for x
x = 8,601,017,991,783,428,128,768/77,262,336,223.70 - Step 6: Final answer
x = 111,322,261,429.95
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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.