Finding the Fourth Proportional to 141,964,896.24, 195,912,147.18 and 76,774,800.24
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Solution
The fourth proportional to 141,964,896.24, 195,912,147.18 and 76,774,800.24 is: 105,949,543.60
Step by Step Solution
- Step 1: Write the proportion equation
141,964,896.24 : 195,912,147.18 = 76,774,800.24 : x - Step 2: Convert to fraction form
141,964,896.24/195,912,147.18 = 76,774,800.24/x - Step 3: Cross multiply
141,964,896.24x = 195,912,147.18 × 76,774,800.24 - Step 4: Simplify right side
141,964,896.24x = 15,041,115,964,333,978 - Step 5: Solve for x
x = 15,041,115,964,333,978/141,964,896.24 - Step 6: Final answer
x = 105,949,543.60
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1.5x scale
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.