Finding the Fourth Proportional to 129,146,724,248.70, 193,720,086,373.05 and 59,353,640,600.70
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Solution
The fourth proportional to 129,146,724,248.70, 193,720,086,373.05 and 59,353,640,600.70 is: 89,030,460,901.05
Step by Step Solution
- Step 1: Write the proportion equation
129,146,724,248.70 : 193,720,086,373.05 = 59,353,640,600.70 : x - Step 2: Convert to fraction form
129,146,724,248.70/193,720,086,373.05 = 59,353,640,600.70/x - Step 3: Cross multiply
129,146,724,248.70x = 193,720,086,373.05 × 59,353,640,600.70 - Step 4: Simplify right side
129,146,724,248.70x = 11,497,992,383,722,569,072,640 - Step 5: Solve for x
x = 11,497,992,383,722,569,072,640/129,146,724,248.70 - Step 6: Final answer
x = 89,030,460,901.05
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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.