Finding the Fourth Proportional to 269,736,091.96, 372,235,802.40 and 145,976,769.12
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Solution
The fourth proportional to 269,736,091.96, 372,235,802.40 and 145,976,769.12 is: 201,447,938.95
Step by Step Solution
- Step 1: Write the proportion equation
269,736,091.96 : 372,235,802.40 = 145,976,769.12 : x - Step 2: Convert to fraction form
269,736,091.96/372,235,802.40 = 145,976,769.12/x - Step 3: Cross multiply
269,736,091.96x = 372,235,802.40 × 145,976,769.12 - Step 4: Simplify right side
269,736,091.96x = 54,337,779,785,142,744 - Step 5: Solve for x
x = 54,337,779,785,142,744/269,736,091.96 - Step 6: Final answer
x = 201,447,938.95
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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.